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Vaccines - Science topic

A forum for discussion on vaccine development, delivery, manufacturing, research, and formulation.
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Frankly speaking thrice time affected by COVID although covaxin taken but no harm to cancer patients.it depending upon metastatic position at that time of COVID affected person s .
I was patient but nothing happened.
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The COVID-19 vaccines are safe for people with cancer (American Cancer Association), but they have no effect on provoking or inhibiting cancer cells. I HOPE THIS ANSWER IS PERHAPS OK.
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I did two different protein-protein dockings for my bioinformatics project. First, I used the ClusPro blind docking method and then I tried the HADDOCK server where I needed to input a set of active residues for my input protein.
So, to perform the protein-protein docking with HADDOCK, I used the information from the docking results output by ClusPro and identified the residues that interacted between the docked complex using the Prodigy server. Using the interacting residues between the docked complex from ClusPro, I obtained a negative HADDOCK score and Z-score. However, I feel that the docking results from HADDOCK can be considered as false positive as I used the interacting residues from the CluPro docking results.
So, to avoid this I decided to search the active residues related to my designed vaccine construct based on previous literature reviews, but only managed to identify a few active residues to be input for the docking (9 out of 558 residues). As for the results of the docking, I got a positive HADDOCK score with a negative Z-score. I also checked the binding affinity using Prodigy and got a negative score. I was wondering if the positive HADDOCK score was affected due to the limited information given for the active residues during the docking.
If so, are there any suggestions on how should I improve my docking to get negative HADDOCK scores? Thank you in advance.
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Sargol Mazraedoost Thank you so much for your advice. I have solved the issues. :)
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in the NIH test for checking the potency of the rabies vaccine, we must make dilutions. In the second dilution, we have a sharp drop and the mortality of mice. I wondering if my dilution technique is incorrect. I use a sampler for dilution. is it a different method for dilution of vaccine with adjuvant?
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thanks
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Is there any available literature that describes, in depth, rubella antiserum titers that successfully block rubella when measuring measles potency via the TCID50 assay in a combination MR vaccine?
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Information on the specific antiserum titers required to successfully block rubella in a combined MR vaccine might be limited. You could explore vaccine development journals, pharmacology textbooks, or consult experts in immunology or vaccine development for more insight.
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For my project I am looking for the mRNA sequences of mRNA vaccines that are currently undergoing clinical trails or that are already in use. I know that the sequences of two Covid-19 vaccines are publicly available (https://github.com/NAalytics/Assemblies-of-putative-SARS-CoV2-spike-encoding-mRNA-sequences-for-vaccines-BNT-162b2-and-mRNA-1273/blob/main/Assemblies%20of%20putative%20SARS-CoV2-spike-encoding%20mRNA%20sequences%20for%20vaccines%20BNT-162b2%20and%20mRNA-1273.docx.pdf). Would anyone have sequence information of other mRNA vaccines or know where to find it?
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mRNA vaccines work by providing the body's cells with instructions to produce a harmless piece of the virus, which then triggers an immune response. The sequence of events in administering mRNA vaccines typically involves several steps:
  1. Design and Synthesis: Scientists identify the genetic sequence of the target virus, such as SARS-CoV-2 for COVID-19. They then design a synthetic mRNA sequence that codes for a part of the virus, usually the spike protein. This mRNA is synthesized in the laboratory.
  2. Encapsulation in Lipid Nanoparticles: The synthesized mRNA is encapsulated in lipid nanoparticles. These nanoparticles protect the mRNA and help deliver it into cells.
  3. Administration: The mRNA vaccine is administered through injection, usually into the muscle tissue.
  4. Cellular Uptake: Once injected, the lipid nanoparticles containing the mRNA are taken up by cells near the injection site, typically muscle cells.
  5. Translation: Within the cell, the mRNA is translated by cellular machinery to produce the viral protein encoded by the mRNA, such as the spike protein of SARS-CoV-2.
  6. Immune Response: The produced viral protein is displayed on the surface of the cell, triggering an immune response. The immune system recognizes the protein as foreign and mounts an immune response, including the production of antibodies and activation of T cells.
  7. Memory Formation: After the immune response, memory cells are formed, which remember the virus and enable a rapid and effective response if the person is exposed to the actual virus in the future.
The specific mRNA sequence used in each vaccine will depend on the target virus and the part of the virus that the vaccine aims to generate an immune response against. For example, in the case of the COVID-19 vaccines developed by Pfizer-BioNTech and Moderna, the mRNA sequence codes for the spike protein of the SARS-CoV-2 virus.
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Clarify a point for Multiepitope vaccine construction that
1) one should construct 3D structure of MEV with protein adjuvant sequence (A.A) or without it.
2)3D structure refinement, validation, solubility, docking MD simulation and plasmid construction: are these steps also require MEV with adjuvant a.a sequence or not?
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The necessary points selection for place og manpulation and manpulated strains and growth media
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Akin to the oral "polio vaccine technology", is it possible for a healthy human to build antibodies against a said "bacterium, an example being a Steptococcal infection?".
In my opinion, yes we can. Our bodies have the required armoury "an adept immune system and the relevant enzymes", to tackle bacterial infections.
Please elucidate in detail, how you think our bodies could fight against a bacterial infection.
The previous discussion had been answered so well by "Rizzi". Looking forward to an answer like that of "Rizzi'.
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Creating antibodies against a specific bacteria typically involves vaccination or immunization strategies. However, the specific technique used depends on various factors such as the characteristics of the bacteria, its virulence factors, and the desired immune response The techniques exist for creating antibodies against bacteria, including traditional vaccines, conjugate vaccines, recombinant DNA technology, and toxoid vaccines, the oral poliovirus vaccination technique is not applicable for bacterial infections due to fundamental differences in pathogenesis and immune response mechanisms between bacteria and viruses.
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I am interested in the study of dendritic cells response under infection with mutant strain candidate to vaccine against TB.
But I am begginer in the work with dendritic cells, somebody can help me?
Thanks
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Hi Maria Theresa,
I don't know if it's helpful, but a few details about our protocol
Jochem
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Hello,
I have 2 questions regarding cancer mRNA vaccines. When synthetic mRNA vaccine for cancer is introduced into the body, our expectation is that the immune system will be activated against the tumor cells and exhibit a response to eliminate them.
However, the question arises as to whether, after translation and the emergence of tumor antigens on the surface of the target cells, primarily dendritic cells (DCs), it leads to the activation of cytotoxic T lymphocytes (CTL) and other immune cells that only eliminate those specific cells rather than the millions of tumor cells that have already caused cancer in the body tissues.
Despite many studies, I cannot comprehend the philosophy behind mRNA cancer vaccines in the face of this challenge.
Furthermore, I have another question in the same context. Assuming that the activated immune cells are intended to eliminate cancer cells, they face a formidable barrier called the tumor microenvironment and mechanisms by which tumors evade the immune system. Ultimately, these factors somehow inhibit the immune system.
The question is, how can the activated immune cells by mRNA vaccines overcome this microenvironment barrier and reach cancer cells? Especially considering that in many research samples, inhibitors of the tumor microenvironment are not simultaneously used with mRNA vaccines.
If you have information on the answers to these two questions, I would greatly appreciate your guidance.
Thank you.
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The immune system can recognize and respond to foreign mRNA through various mechanisms, particularly when mRNA is introduced into cells via delivery systems such as lipid nanoparticles (LNPs) or viral vectors. Here's how the immune system can become activated against mRNA and potentially eliminate it:
  1. Recognition by Pattern Recognition Receptors (PRRs):mRNA molecules may be recognized as foreign by pattern recognition receptors (PRRs) expressed by immune cells. PRRs, such as Toll-like receptors (TLRs) and retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs), can detect viral RNA or other nucleic acids with pathogen-associated molecular patterns (PAMPs). Activation of PRRs by foreign mRNA can trigger intracellular signaling pathways that lead to the production of pro-inflammatory cytokines, type I interferons (IFNs), and other immune mediators.
  2. Activation of Innate Immune Responses:Recognition of foreign mRNA by PRRs can lead to the activation of innate immune responses, including the production of inflammatory cytokines and chemokines. Innate immune cells such as dendritic cells (DCs) play a crucial role in sensing and responding to foreign mRNA. DCs can internalize mRNA-containing particles, process the mRNA, and present mRNA-derived antigens to T cells, leading to the activation of adaptive immune responses.
  3. Induction of Adaptive Immune Responses:Presentation of mRNA-derived antigens by antigen-presenting cells (APCs) can stimulate the activation and differentiation of CD4+ T helper cells and CD8+ cytotoxic T cells specific to mRNA-derived epitopes. Activated T cells can recognize and eliminate cells expressing foreign mRNA, leading to the destruction of mRNA-transfected cells.
  4. RNA Interference (RNAi) Pathway:Endogenous cellular mechanisms such as the RNA interference (RNAi) pathway can also contribute to the recognition and degradation of foreign mRNA. Small interfering RNAs (siRNAs) or microRNAs (miRNAs) generated from foreign mRNA sequences can guide the RNA-induced silencing complex (RISC) to target and degrade mRNA molecules, leading to their elimination.
  5. Activation of Antiviral Defense Mechanisms:Activation of immune responses against foreign mRNA may involve the activation of antiviral defense mechanisms aimed at eliminating viral RNA. These mechanisms can include the upregulation of antiviral proteins such as protein kinase R (PKR) and 2',5'-oligoadenylate synthetase (OAS), which inhibit viral replication and promote mRNA degradation.
Overall, the immune system can become activated against foreign mRNA through various recognition pathways, leading to the induction of innate and adaptive immune responses aimed at eliminating the foreign mRNA and preventing potential harm to the host organism.
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Hello,
I have 2 questions regarding cancer mRNA vaccines. When synthetic mRNA vaccine for cancer is introduced into the body, our expectation is that the immune system will be activated against the tumor cells and exhibit a response to eliminate them.
However, the question arises as to whether, after translation and the emergence of tumor antigens on the surface of the target cells, primarily dendritic cells (DCs), it leads to the activation of cytotoxic T lymphocytes (CTL) and other immune cells that only eliminate those specific cells rather than the millions of tumor cells that have already caused cancer in the body tissues.
Despite many studies, I cannot comprehend the philosophy behind mRNA cancer vaccines in the face of this challenge.
Furthermore, I have another question in the same context. Assuming that the activated immune cells are intended to eliminate cancer cells, they face a formidable barrier called the tumor microenvironment and mechanisms by which tumors evade the immune system. Ultimately, these factors somehow inhibit the immune system.
The question is, how can the activated immune cells by mRNA vaccines overcome this microenvironment barrier and reach cancer cells? Especially considering that in many research samples, inhibitors of the tumor microenvironment are not simultaneously used with mRNA vaccines.
If you have information on the answers to these two questions, I would greatly appreciate your guidance.
Thank you.
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I thank you very much for your response.
I used to think that dendritic cells express the antigen on their surface before presentation, and that's why they should be susceptible to apoptosis with CTLs. Now that you mentioned it, I realize my mistake that I should only consider it from the perspective of tumor antigen presentation.
Thank you for your helpful guidance.
Best regards.
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Hey!
I'm looking for ways to compare two kinetic curves over time. My data is composed of neutralizing antibody results during 11 points (vaccine kinetics) in each group (control and patient).
How can I check if my curves are statistically similar or different?
I hope you can help me.
Thank you very much!
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Camila Costa, I don't know how your data from neutralizing antibody tests should be parametrized, as it depends on your goal of study. But there still must be parameters (maybe, for example, the IC50 of the neutralizing antibody) derived from your curves suitable for your study and perform the t-test for those parameters.
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ALC-0159, 2-[(polyethylene glycol)- 2000]-N,N-ditetradecylacetamide, is used in CureVac and Pfizer BioNTech Covid-19 vaccines.
Has anyone found published toxicology studies for this compound?
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Prevelance of CVID 19 in 2023
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There are many benefits to vaccinating the population against HPV, such as reducing the incidence of CIN2+ related to vaccine genotypes. And those who receive the HPV vaccine will experience an advantage in the transformation of HPV genotypes. How will this HPV-related epidemiological feature change in the future? Perhaps it is related to the original HPV prevalence characteristics of the population in that region.
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No cervical cancer cases in HPV-vaccinated women
A new study has found that no cases of cervical cancer have been detected in young women who have been fully-vaccinated as part of the HPV immunisation programme.
The Public Health Scotland (PHS) research said the HPV (human papillomavirus virus) vaccine was "highly effective" in preventing the development of the cancer...
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I am currently a first-year master's student preparing for my research. I need someone to help me find an interesting topic.
Waiting for your suggestions
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Impact on Immunological Responses and Disease Prevention
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In the pioneering stages of my research on developing a multi-species multi-epitope UTI vaccine, I am encountering a significant challenge while exploring NCBI. For example, a search for E. coli yielded approximately 250,000 genomes, even after applying filters for completely annotated genomes, leaving around 200,000 genomes. Similar challenges were observed for Pseudomonas, Klebsiella, and Enterococci. Is there a specialized database or curated collection cataloging genomes associated with urinary tract infections for these organisms, or could anyone provide recommendations for efficiently identifying and isolating UTI-related strains from these extensive genomic datasets
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in NCBI (https://www.ncbi.nlm.nih.gov/geo/) just type "urinary tract infection" at top right of the page in the search field. you'll get enough datasets or profiles to dig and find exactly what needed.
all the best
fred
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The vaccine and genetic material.
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Upto my knoweldge, the first and second generation of vaccine cannot make such changes in the human genetic material. The third generation, nucleic acid based vaccines, definitely has the capability to make some permanent change. However, its very hard to find until we get some strong suspicion. So far, no such changes happened.
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What is the best statistical test to compare 4 groups in 10 different time points.
Fecal parasitic egg count levels were determined in 1 week intervals from day 0 to 70.
Vaccine 1- Day 0
Vaccine 2- Day 35
Challenge infection- Day 49
Day 70 -trial ended
Group 1- vac1+vac 2+challenge
Group 2 - vac1+vac2 only
Group 3- challenge only
Group 4- control group
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@Ashani Palkumbura you are welcome to discuss in detail
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Im currently working on a methicillin-resistant Staphylococcus aureus whole genome based in silico vaccine. I finished the reverse vaccinology steps and I filtered 27 protein candidates out of 2748 proteins to construct the vaccine. My question is on what basic should I choose the proper proteins to start the steps of b cell or t cell epitopes?! Is there any guidline or a protocol for choosing the proper protein candidates for the vaccine design or should I work independently for all the 27 proteins?
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Then the corner stone of the question is how to further address the rest of proteins?
To identify essential genes, proteome using geptop (http://guolab.whu.edu.cn/geptop/) , and to exclude non-essential genes. The yield is a target for vaccine and drug design. Lastly to differentiate between vaccine and drug targets, it is important to localise protein functions subcellularly using PSORTb software (https://www.psort.org/psortb/)
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Dear colleagues !
how which diagnostic of differentiating Infected from Vaccinated Animals (DIVA) of the Newcastle disease?
Million thanks with Kind regards,
Elvis
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The differentation of infected from vaccinated depend on animal health satus infected with clinical signs ,carrier vaccinated ,kind of vaccine used .then serological (titer) of antibodies then isolations of virus and mapping to compare with vaccine strain and wild one.
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My specialty is quantum physics but because of the pandemium I was interested in physical methods applied to virology. Today's physics is at nanolevel manufacturing so I suppose it can solve problems with viruses too.
As far as I know to force the organism to produce antibodies one can introduce the capsid or the envelope of the virus in it. I wonder if the following method below is used to collect capsids of a virus.
Method: I know it is possible to remove the nucleus of a cell. So lets take a number of cells from a human and extract the nuclea. Then put a huge number of the viruses in a culture with the cells. The viruses will inject their the DNA (or RNA) in the cells thereby leaving their capsids outside. But the cell can not reproduce the virus because there is no nucleus. Now one can separate the human cells with the viruses's DNA from the capsids and use the capsids to create antibodies by directly injecting as a vaccine.
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Hi Ilian Peruhov. I up loaded my new article Applied Atomic Science of bio-EMF New Viral Infection Model. I believe this article DOI: 10.13140/RG.2.2.17306.82883 can help answer your question.
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A description of the readiness for the acceptance of PHV vaccine would be necessary in this world of preventive medicine.
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You can employ a combination of quantitative and qualitative research methods to gain a comprehensive understanding of various factors influencing acceptance of HPV vaccine. It's best to seek support from a statistician in order to design your study in the most approriate way to answer you study objective.
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Hi, I perform structure prediction for my designed vaccine construct using Robetta web server. And perform a validation score with PROCHECK to generate the Ramachandran plot and ERRAT scores. but the predicted structure for the designed protein does not achieved a good quality score for both ERRAT and Ramachandran. Any recommendations on how to improve the scores? Also, will the poor quality score of predicted structure protein affect protein-protein interactions?
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It depends on the hardware configuration of your laptop. The more graphic memory, it have, the quick the job will be done.
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HBV vaccine
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The fist thing to know the vaccine strain used dose ,titer ,effect of booster dose,then study immunological status of vaccinated person before vaccind and after vaccination,need for booster dose or not the select your aim
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Can I ask about steps for production of edible vaccine or vaccine from monoclonal antibodies?
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Hello, I work with edible vaccines. What are your questions?
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The high tide of coronavirus (COVID-19) has hit us again and again! And there are likely to be more deadly hits in the future. Meanwhile, preparations have been made to prevent the attack of a more deadly virus called 'Disease X'.
There is no way to stop this deadly virus. In this time of deep crisis, I have come up with two great ways to prevent viral infections including proper treatment of viral infections that can save countless lives. These methods will be effective in multiple ways. They are able to inactivate the virus and block and prevent the virus from entering the body cells. And the vaccine and the medicine I made will heal the person infected by the virus. And they are not at all harmful to our body.
To know more please watch video. Thank you
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If you have a treatment/cure or prevention that works for viruses, you do not need to wait for a new virus, you can use it on viruses that are currently causing problems.
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I would like to find out what the Italian scientists found in the Covid vaccines
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I am so glad to spend few time to enrich our knowledge about Covid vaccine
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RNA/DNA/Protein or any other type
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mRNA vaccine - Nobel prize for a vaccine that does not and did not work.
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Coronavirus vaccine.. What happens after the virus changes its configuration ? What will the live vaccine induce in our bodies? What will the immune response produce in our bodies ?
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It is useful in my country Egypt specially in school children's. For travelling outside the country we must take the Corona virus vaccine. I think it is very important.
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I want to know the most important vaccines in case of ARV infections which are frequently used.....
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vian reovirus is a virus that causes various diseases in poultry, such as arthritis, tenosynovitis, respiratory disease, and enteritis. There are different strains of avian reovirus, and some of them are used as vaccines to protect poultry from infection. Some of the commercially available poultry vaccine strains for reovirus are S1133, 1733, 2408, and 21771. These are live attenuated vaccines that can induce a strong immune response in the birds. However, some of these vaccines may also cause adverse effects on the gastrointestinal and pancreatic tissues of the birds2. Therefore, the vaccination schedule and route of administration are very important for ensuring the safety and efficacy of the vaccines. The vaccination of broiler breeder flocks with live or inactivated vaccines can also provide maternal-derived antibodies to the progeny3. In addition to vaccination, biosecurity measures such as disinfection, isolation, and removal of infected birds are also essential for preventing and controlling avian reovirus
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The global COVID-19 (coronavirus disease 2019) pandemic, which was caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has resulted in a significant loss of human life around the world. The SARS-CoV-2 has caused significant problems to medical systems and healthcare facilities due to its unexpected global expansion. Despite all of the efforts, developing effective treatments, diagnostic techniques, and vaccinations for this unique virus is a top priority and takes a long time. However, the foremost step in vaccine development is to identify possible antigens for a vaccine. The traditional method was time taking, but after the breakthrough technology of reverse vaccinology (RV) was introduced in 2000, it drastically lowers the time needed to detect antigens ranging from 5–15 years to 1–2 years. The different RV tools work based on machine learning (ML) and artificial intelligence (AI). Models based on AI and ML have shown promising solutions in accelerating the discovery and optimization of new antivirals or effective vaccine candidates. In the present scenario, AI has been extensively used for drug and vaccine research against SARS-COV-2 therapy discovery. This is more useful for the identification of potential existing drugs with inhibitory human coronavirus by using different datasets. The AI tools and computational approaches have led to speedy research and the development of a vaccine to fight against the coronavirus. Therefore, this paper suggests the role of artificial intelligence in the field of clinical trials of vaccines and clinical practices using different tools.
Source:
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Leapfrogging clinical research steps via AI has, imo, very little empIrical foundations , dear Eduard Babulak , with respect to the biological reality of living organisms.
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Hi
I want to know the scope of molecular chaperones as adjuvant in vaccine.
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Adjuvants selection depends on immunogenecity ,price and manufactory(humogenecity) .
Please check my published paper about development of an inactivated vaccine which showed how to select adjuvant and inctivating agent.on my RG page
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Is it possible for eliminate to all microbes/viruses.if not then please discuss what circumstances will arise to be resistant .
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HOW TO PREVENT COVID 19 AND OTHERS BY ANTIBODY AND ANTIBIOTICS
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When you read an epidemiological research paper what are some of the red flags you encounter in phrasing, statistical tests used, and glossing over controlling for confounding? For example, when you evaluate the COVID reports or vaccine research what are key elements that if not present call into question the research or if included raise doubts?
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So basically you're discussing the use of observational data to answer causal questions (which are often best answered using randomized trials). In that case, the most important thing will be bias (selection bias, measurement error, and confounding bias). I will specifically look for the detail of study design and statistical analyses on this part, i.e., how the authors came up with measures to mitigate bias when they recruit and follow up participants, or if this is a retrospective study, how they can confirm the validity of the measurements.
Confounding is often seen as the most important problem in answering causal questions, so of course I'll look for the methods used to control for confounding. As you said in your comment, it may be multiple regression where the potential confounders are selected based on a DAG (or DAGs), some causal inference method such as propensity score or instrumental variable, or the confounders are controlled by design (restriction, matching, etc). However, I believe the use of one method is not sufficient; I'll read the description, too, to make sure that their actual implementation is valid. Unfortunately, you'll see that not all papers described their DAG in detail (e.g., how they came up with the variables and the relationships between variables); some didn't even publish their DAG. Or for propensity score methods, they didn't show the diagnostic results (SMDs, Love plot, histogram of weights).
It's hard to summarize everything I'll look for in a few keywords, but yeah, probably "did they handle bias properly?".
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To date, the human cost of coronavirus (COVID-19) is more than 13 000000 infections, and more than 570000 death worldwide. The economic cost so far has been staggering. Many economies almost come to a halt. The impact on supply, demand, the financial market is affecting both larger and smaller firms. However, SMEs are at a disadvantage due to limited resources, existing obstacles in securing capital, and the span of time over which they can survive this pandemic compared to the larger firms.
How SMEs and new start-ups are going to handle this pandemic? Can they survive it or a great majority of them will go out of business? Should the government step in to help?
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The impact of COVID-19 on new start-ups and small and medium-sized enterprises (SMEs) has been significant and varied. While some have managed to survive and even thrive during these challenging times, others have faced substantial challenges and, unfortunately, some have been forced to shut down. The overall impact depends on several factors, including the industry, location, adaptability, financial stability, and the duration and severity of lockdowns and restrictions in their respective regions.
Challenges faced by start-ups and SMEs during COVID-19:
  1. Revenue Loss and Cash Flow Constraints: Many start-ups and SMEs experienced a sharp decline in revenue, especially those operating in industries directly affected by lockdowns and social distancing measures, such as hospitality, travel, retail, and entertainment. This revenue loss led to cash flow constraints, making it difficult for businesses to cover operational expenses and debts.
  2. Supply Chain Disruptions: The pandemic disrupted global supply chains, leading to shortages of raw materials and delayed shipments. This affected the production and distribution capabilities of many start-ups and SMEs, especially those reliant on imported goods.
  3. Reduced Consumer Spending: With economic uncertainty and job losses, consumer spending decreased in various sectors. Start-ups and SMEs relying on discretionary spending saw a decline in demand for their products or services.
  4. Limited Access to Funding: Investors became cautious during the pandemic, and many venture capital firms shifted their focus to supporting existing portfolio companies rather than making new investments. As a result, new start-ups found it challenging to secure funding.
  5. Remote Work Transition: The sudden shift to remote work posed challenges for some start-ups and SMEs that were not prepared for a remote work environment. It impacted team collaboration, productivity, and the overall work culture.
  6. Uncertainty and Fear: The overall uncertainty caused by the pandemic led to fear and hesitancy among consumers and businesses. Start-ups and SMEs struggled to plan for the future, not knowing how long the pandemic and its economic effects would last.
Adaptation and Survival Strategies:
Despite the challenges, some start-ups and SMEs have managed to survive and even thrive by adopting various strategies:
  1. Digital Transformation: Businesses that quickly adapted to online operations, e-commerce, and digital marketing fared better during the pandemic. Those with robust online platforms were able to continue selling products and services to a wider audience.
  2. Pivoting Business Models: Some start-ups changed their core offerings or targeted new markets that were in demand during the pandemic. For example, some restaurants switched to takeout and delivery services, and some clothing manufacturers began producing face masks.
  3. Cost Optimization: Companies that implemented cost-cutting measures and managed their finances efficiently were better positioned to weather the crisis.
  4. Government Support: Various governments worldwide offered financial assistance, grants, and loans to support struggling businesses during the pandemic.
  5. Innovation and Creativity: Start-ups and SMEs that continued to innovate and find unique solutions to pandemic-related challenges had a higher chance of survival.
Can they survive?
The survival of new start-ups and SMEs amid the ongoing impact of COVID-19 remains uncertain and heavily dependent on various factors. Those that have successfully adapted their business models, managed their finances, and embraced digital transformation are more likely to survive. However, many businesses, especially in highly affected industries, continue to face significant challenges.
As the situation evolves and vaccination efforts progress, economic recovery is expected, which can provide some relief to struggling businesses. However, it may take time for certain industries to fully recover.
In conclusion, while the pandemic has posed immense challenges for new start-ups and SMEs, those that have been resilient, adaptable, and creative in navigating these unprecedented times have a better chance of survival. Government support, access to funding, and a gradual return to normalcy will also play crucial roles in determining the fate of these businesses.
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Since the start of the COVID-19 Pandemic, many governments and private organizations allocated large sums of money to fund projects dealing with various areas related to this virus. The vaccine is the most prominent area but detection, caring and monitoring of the patients revealed that the current medical equipment is not adequate and sufficient. Are these funding going to lead to invention or innovation? have you seen any report of innovation in medical technology in your community?
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Yes, the COVID-19 pandemic is likely to serve as an engine for innovation in medical technology. The unprecedented challenges posed by the pandemic have driven the healthcare and medical technology industries to rapidly develop and adopt innovative solutions to address the crisis. Here are some ways in which the pandemic has accelerated innovation in medical technology:
  1. Vaccines and Therapeutics: The urgent need for vaccines and therapeutics to combat COVID-19 led to unprecedented global efforts in research and development. The development and deployment of mRNA vaccines, such as those from Pfizer-BioNTech and Moderna, showcased the potential of new vaccine technologies.
  2. Telemedicine and Remote Healthcare: The pandemic pushed the adoption of telemedicine and remote healthcare solutions to provide medical services to patients while minimizing in-person contact. Virtual consultations, remote monitoring, and telehealth platforms have become more widely accepted and integrated into healthcare systems.
  3. Digital Health Solutions: Contact tracing apps, health monitoring wearables, and digital health platforms have been developed or repurposed to help track and manage the spread of the virus, monitor patients' health remotely, and provide real-time data for public health officials.
  4. Medical Imaging and AI: Artificial intelligence (AI) and machine learning algorithms have been applied to medical imaging, such as chest X-rays and CT scans, to aid in the detection and diagnosis of COVID-19. These technologies have shown promise in enhancing diagnostic accuracy and efficiency.
  5. Ventilator Innovation: The high demand for ventilators during the pandemic spurred efforts to develop and produce new and more efficient ventilator models to support patients with severe respiratory issues.
  6. Rapid Diagnostic Tests: The need for quick and accurate COVID-19 testing led to the development of various rapid diagnostic tests, including antigen tests and molecular point-of-care devices.
  7. Supply Chain and Logistics Innovations: The pandemic highlighted vulnerabilities in the medical supply chain. Innovations in supply chain management and logistics have been explored to ensure the efficient distribution of medical equipment, PPE, and vaccines.
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the topic whose interesting and good one except vaccine making..
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environmental issues
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If not approved then how we have come to know approved for working of covid 19 patients or by research through research journals.
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Of course
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I am interested about it because I have no knowledge based on the same.if any reviewer can tell me which ingredients are there so that it decreases intensity of poison.pl let me know chemistry about preparation such injection s.if reply 🙏 from reviewer then process of such injection s when Oxygen decreased below 92 and heartbeat below 22.pl.
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I have a pending paper on a cohort of people that do this. It will be the first such cohort study. It has not yet been published. It is complex enough that I am not comfortable attempting to summarize it here. I might be willing to discuss more directly, depending on what you are doing and facilities.
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If trial details of recovered patients after application? Is it like antiviral vaccines or antibiotic. Is it possible to working like Ramdesiver blood clotting.
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There are a few trials worldwide, testing low-dose radiation therapy as a treatment for pneumonia related to Covid-19. The theory behind this is that targeted radiation to the lungs will halt the out-of-control inflammation responsible for the devastating pneumonia in some Covid-19 patients.
In Covid-19 patients, immune cells overreact to the virus and secrete a dangerous excess of proinflammatory cytokines, known as the “cytokine storm.” The idea is that low-dose lung radiation has the potential to reduce this inflammatory response. Some experts have theorized that small amounts of radiation might flip a switch on these immune cells so that they release soothing, anti-inflammatory cytokines instead though this treatment which is just one among many proposed mechanisms.
We know that antibiotics can help treat cases of pneumonia from bacterial infections, but not those caused by viruses. So, low-dose radiation could be a promising head start. The use of low-dose radiation therapy may not be recommended for all Covid-19 patients; but could be considered for those patients who are most critical, and for whom other treatment options are unsuccessful or unavailable.
However, with little known about the way low-dose radiation therapy works on inflamed lungs, some experts say it might exacerbate respiratory damage, while introducing the additional risk of cancer. Moreover, radiation-induced mutations of the viral genome can potentially induce selection pressure, leading to unintended and undesirable evolutionary changes during viral replication. Also, excessive inactivation of lymphocytes caused due to low-dose radiation therapy may theoretically impair the ability to mount a counter offensive to the virus and hence hasten mortality.
You may consider radiation as a double-edged sword with regard to the immune system. Low-dose and high-dose radiation therapy have differential effects on the immune subsets. If the proper subset of cells could be eliminated, applying low-dose radiation therapy might be a meaningful exercise. For more information on the mechanism and other details, you may want to refer to the articles attached below.
Regards,
Malcolm Nobre
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Hi Dear Scientists
I am currently working on an exciting project involving edible vaccines, and I wanted to seek your guidance regarding the next steps in my research.
To begin with, I have successfully designed an in silico vaccine through reverse vaccinology, and now I am eager to progress to the wet lab phase. I would greatly appreciate your advice on how to translate the in silico design into an actual construct that can be used for experimentation.
Specifically, I am interested in understanding the process of creating constructs inside Agrobacterium tumefaciens, which will be crucial for my work. I am keen to learn the best practices, techniques, and methodologies involved in this process to ensure the successful realization of my research objectives.
Your expertise in this field would be invaluable to me, and any insights or resources you could share would be highly appreciated. I am eager to embark on this practical phase of my work and contribute to the advancement of edible vaccine research. If anyone is interested in collaboration, you are cordially welcome.
Thank you very much for considering my request, and I am looking forward to hearing from you.
Thank you in advance
Dr. Shahina Akter
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Then you may want your vaccine peptide fused to a lectin with a peptidase cleavage site for translocation across the gut and subsequent release into the blood stream. Might also be good to finalize the plant species you want to use.
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For any new vaccine antigen, it is inoculated to target species and the blood is collected to assess the antibody titre. And in a particular time, the subject is challenged with the live organism. Now my question is how to determine the protective titre?
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Sir, virus neutralization test can be performed.
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"Cardiac MRI is the most important noninvasive imaging modality for evaluation of myocarditis"
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To Dr Joseph Westaby
As I am not pathologist I don't know how you can differentiate which one is due to mRNA vaccine and which one is not morphologically with standard pathologist microscopy. As a clinician in order to detect I consider that you must probably use electron-microscopy for fibrocytes' morphologic evaluation !? Also I ask you why so much young people are dying out of blue after covid19 pandemy ? Obviously there must be reason for almost 25-30 million excess deaths !
Autopsy-based histopathological characterization of myocarditis after anti-SARS-CoV-2-vaccination (find below)
"While the incidence of sudden death from myocarditis in older adults is unknown, roughly 1-9% of deceased patients are found to have evidence of cardiac inflammation. However, in young adults, nearly 20% of sudden death cases are linked to myocarditis." Ref: https://www.myocarditisfoundation.org/research-and-grants/faqs/sudden-death-and-myocarditis/#:~:text=While%20the%20incidence%20of%20sudden,cases%20are%20linked%20to%20myocarditis.
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Over the years, scientists and researchers have been battling with detection of antimicrobial resistance microbes as well as production of novel vaccines to combat these microbes.
Will there be a point in the future where AMR microbes will be totally eliminated and researchers move on to other studies?
I presently feel humans will still abuse the new vaccines which will lead to more complex health challenges and so on...
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As I have learned so far, it is not possible to completely remove these microorganisms. Since microorganisms evolve in new ways in accordance with the agents applied against them. Even for high-efficacy antimicrobials, the number of cells does not reach zero.
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In recent years, number of vaccine have been approved to fight against Covid-19, list of approved is available at FDA site. We are looking for sequence of these vaccine (RNA sequence in case of mRNA vaccines and amino acid sequence in case of protein based vaccines. I will highly appreciate help of community in searching sequence of vaccines.
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Please 🙏 tell me which type of vaccine and it's efficacy was?
Mortality rate / well being cured patient s?
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Dear Researchers,
The COVID -19 pandemic caused by SARS CoV-2 is taking away many lives. Till now there is no approved vaccine to tackle this. Literatures and media are giving us information that it will take around 6 to 8 months more to get the vaccine. Besides, alternative medicines are getting attention to treat COVID-19. Will plant metabolites be the hope to get the therapeutics before other drugs or vaccines. How it is possible? Share your thinking, please.
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I published a short article back in 2021 in Academia Letters, titled ˝Can a Multi-Epitope Vaccine be a solution for COVID-19 pandemic˝?
Here is the abstract:
Problems associated with Wuhan spike protein-based vaccines are the emergence of new SARS-CoV-2 strains that are more or less resistant to Wuhan spike protein-based vaccine-induced immunity, and toxicity of the spike protein (S protein alone can damage vascular endothelial cells). Multi-epitope vaccine against SARS-CoV-2, excluding the spike protein, could potentially be less toxic than Wuhan spike protein-based vaccines with less serious side effects, but still enough immunogenic to elicit protective immune response. Another potential benefit of a multi-epitope COVID-19 vaccine is that, taking into account the fact that most of the new SARS-CoV-2 strains carry significant new mutations in the spike protein and less significant mutations in other structural proteins of the virus, it could provide more potent immune response against new SARS-CoV-2 variants.
Link:
And now it is happening! I am so excited!
Researchers (Arieta et al) created a new multi-epitope vaccine.
Here is the abstract:
T-cell responses play an important role in protection against beta-coronavirus infections, including SARS-CoV-2, where they associate with decreased COVID-19 disease severity and duration. To enhance T-cell immunity across epitopes infrequently altered in SARS-CoV-2 variants, we designed BNT162b4, an mRNA vaccine component which is intended to be combined with BNT162b2, the spike-protein-encoding vaccine. BNT162b4 encodes variant-conserved, immunogenic segments of the SARS-CoV-2 nucleocapsid, membrane, and ORF1ab proteins, targeting diverse HLA alleles. BNT162b4 elicits polyfunctional CD4+ and CD8+ T-cell responses from diverse epitopes in animal models, alone or when co-administered with BNT162b2 while preserving spike-specific immunity. Importantly, we demonstrate that BNT162b4 protects hamsters from severe disease and reduces viral titers following challenge with viral variants. These data suggest that a combination of BNT162b2 and BNT162b4 could reduce COVID-19 disease severity and duration caused by circulating or future variants. BNT162b4 is currently being clinically evaluated in combination with the BA.4/BA.5 Omicron-updated bivalent BNT162b2 (NCT05541861).
Link:
Let me know what do you think!
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Covid-19 (and PostCovid) is a fully curable disease:
No need to waste yet more money and health personnel time on vaccines.
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Although the vaccine is the best way to prevent the spread of infectious diseases, but some people are hesitant concerning taking the vaccine, some delay taking it, others refuse it. What are the reasons from your point of view?
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Vaccine hesitancy is a complex phenomenon influenced by a variety of factors. Understanding why some people are vaccine hesitant requires considering a range of individual, social, and contextual factors. Here are some common reasons:
1. Safety concerns: Safety is a significant concern for individuals who are vaccine hesitant. They may have worries about potential side effects or perceive vaccines as risky. Misinformation, rumors, or misconceptions about vaccine safety can contribute to these concerns.
2. Lack of trust in vaccines or healthcare system: Some individuals may have a lack of trust in vaccines or the healthcare system. Historical events, past medical misconduct, or instances of unethical research may erode trust in authorities and raise skepticism towards vaccines.
3. Misinformation and conspiracy theories: Misinformation, often spread through social media or other channels, can contribute to vaccine hesitancy. Conspiracy theories, false claims, or misleading information about vaccines can create doubts and confusion, leading individuals to question their safety and effectiveness.
4. Personal beliefs and values: Vaccine hesitancy can be influenced by personal beliefs and values. Some individuals may hold philosophical or religious objections to vaccination based on their worldview or moral principles.
5. Fear of needles or medical procedures: For some individuals, vaccine hesitancy may stem from a fear of needles or medical procedures. This fear can be a significant barrier to accepting vaccinations.
6. Cultural and contextual factors: Cultural, social, and contextual factors play a role in vaccine hesitancy. Cultural beliefs, norms, and attitudes toward vaccination can influence individual decisions. Socioeconomic factors, access to healthcare, and systemic barriers can also impact vaccine uptake.
Addressing vaccine hesitancy requires a multifaceted approach, including clear and accurate communication about vaccine benefits and safety, addressing concerns and misinformation, building trust in healthcare systems, and considering cultural and contextual factors. Providing education, promoting open dialogue, and addressing individual concerns can help increase vaccine acceptance and uptake. Healthcare providers, public health organizations, and communities all play a crucial role in addressing vaccine hesitancy and promoting immunization.
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As you are aware after getting a COVID-19 vaccine side effects can vary from person to person. some are having immediate effects which are expected and some are facing it till date.
Please write if u still face any such after 2 years of time.
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No feeling of any side effects after two years of Covid-19 vaccintions but improve the performance the daily requirements.
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Moderna claims that detection of Covid19 Anti-Spike IgG antibody found in the lungs of Rhesus Macaques (that have high natural immunity against the virus) was evidence that the Spike Protein antibodies resulting from jabs in the arm circulated in Blood and somehow penetrated the Blood-Lung Barrier.
However there is an interesting paper from very early in 2019 that shows Anti-Spike IgG causes Severe Acute Lung Injury by skewing macrophage responses.
A doctor named Joseph Lee has challenged Dr Fauci, the editor of New England Journal of Medicine and many other scientists, plus the mRNA jab manufacturers to prove that the insides of lungs are protected by their LNP delivered materials.
He reports that they don't give satisfactory replies to his questions about the Blood Lung Barrier and has offered a reward for any proof via Twitter.
His website carries useful details.
Could Alveolar Macrophages be a conduit for antibodies?
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The ability of large molecule antibodies, produced in response to synthetic GMO mRNA infiltration, to cross the blood-air barrier and protect the lungs from Covid-19 is uncertain. While antibodies can be effective in neutralizing viral particles, the blood-air barrier is a specialized interface designed to protect the delicate lung tissue. The passage of large molecules, such as antibodies, through this barrier is generally limited. However, advancements in drug delivery systems and nanotechnology may offer potential strategies to enhance the delivery of therapeutic agents across this barrier. It is important to note that the specific characteristics and mechanisms of synthetic GMO mRNA and the resulting antibody response would need to be thoroughly studied and validated to determine their ability to cross the blood-air barrier and provide protection against Covid-19 in the lungs.
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I work for an entity that provides rapid response for public medical emergencies. I'm looking to see if anyone has information on ways in which to improve response times for rapid gearing up of vaccine and other medical support items. This would include manufacturing, logistics and administrative, or other issues related to such support. All leads and suggestions are welcome.
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Emergency medicine book deales with all kinds of emergency cases,treatment drugs therapy and surgical treatment.
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Why some scientists prefer most widely used virus is Autographa californica nucleopolyhedrovirus (AcMNPV); however, Bombyx mori nucleopolyhedrovirus is also used due to the higher protein expression using silkworm larvae or its pupae in the vaccine preparation.
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Hi
what is the scope of suicidal DNA vaccine against reovirus in avians. I know some of the advantages, but I am unable to get what could be the limitations of this type of vaccine and how we can overcome them.
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I want a clear idea about it with specific name of antigen generation.
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As the name implies, it is the whole virus which has been treated to make it incapable of infection and replication.
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Hello, we are designing a plasmid for a vaccine, we want to add an intron in the eukaryotic region to improve transgenic expression. But we do not have a sequence of the intron, I have searched in different articles, but without success. How can I search the sequence? Do you know of any that you could share? Thank you
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Thank you for your responses and for your recommendation.
Addgene, it helped me a lot.
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Although many studies have been conducted on the immunogenicity of intranasal acellular pertussis vaccines in mice, I didn't find any studies in human clinical trials. Why haven't these studies continued on humans? Is there a reason for this? As far as I know, there are two types of pertussis vaccines, BPZE1 and GAMLPV, in clinical trials, but these are live attenuated vaccines.
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Hello dear Yahya
I think the attached article entitled " Mucosal Immunization against Pertussis: lessons from the Past and Perspectives" may help you. Both safety and immunogenicity concerns and challenges of mucosal aPVs such as using the appropriate adjuvant with a simultaneous potential of stimulation of humoral and cell-mediated responses in human has been reported in this article which may answer your question.
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Hi, dear fellow scientists!
I am facing a problem while trying to construct a plasmid vector for developing a vaccine.
After immunoinformatics studies, I have designed a plasmid vector.
Now I intend to construct that particular plasmid vector.
I intend to order a commercially available empty plasmid for this purpose. My question is, How can I get the designed vaccine that I have made after molecular docking and simulation? How can I make that particular protein ligate into the plasmid?
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If you are looking to construct a plasmid vector containing a designed protein or vaccine, you will likely need to use a cloning strategy in order to insert the designed gene into the plasmid vector. In order to do this, you will need to use PCR to amplify the gene of interest and then use restriction enzymes to cut the vector and insert the gene. Once the gene is inserted, you can then use transformation to introduce the plasmid vector into bacterial cells. After the plasmid is replicated in the cell, it can be isolated and used for further experimentation.
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I am trying to measure reactive oxygen species in a solution of leukocytes exposed to different antigens such as vaccine excipients or allergens. What do you suggest?
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Either use a colorimetric assay like Amplex Red or look for downstream lipid oxidation products like MDA and 4-HNE.
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Covid surge again. Is it new genome ? if yes what are differences ?
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The XBB.1.16 variant that is making news in India recently (late March to early April, 2023) has only two new mutations in the spike protein, relative to XBB.1.5 subvariant of Omicron.
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Hello, I'm currently analyzing antibody data with Repeated Measures ANOVA and have run into problems. I built a model with age, gender, vaccine background, and around 7 genetic polymorphisms. When I do multiple comparisons afterward, I get the error "all pairwise comparisons mean-mean scatterplot cannot be shown because confidence intervals cannot be computed jmp." I don't know how to solve this. Does anybody know what the problem is? Someone suggested something about the degrees of freedom running out, but I do not understand. Appreciate your help!
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Sorry outside of my field
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FMD is a contagious diease threat animal wealth please explain why control is difficult inspite vaccine manufactury developed?
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Thank you Dr.Nuzhat Hassan for your answer but new serotype African one induced in the area and not included in vaccination programm (SAT2) strain variants occur indifferent localities which emerges due to stress from original serotype,Now SAT Serotpes considered in vaccination programm.
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I am currently researching an article about rabies for possible publication in a medical laboratory journal. I understand that, as the rabies virus travels along the nervous system from the site of inoculation as it makes its way to the brain, it largely avoids the body's immune system. Nevertheless, it is clear that prophylactic rabies vaccine as well as post-exposure vaccine and immune globulin can successfully protect an individual against developing rabies. If the rabies virus is in effect shielded from the immune system because it's within the CNS, what is the actual process by which rabies vaccines help the immune system attack the virus? Is there a particular class of cells responsible for neutralizing the virus? At what point do circulating immune cells have contact with the CNS and thus the virus? Thank you. John
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Rabies virus (RABV) is a strictly neurotropic virus that slowly propagates in the nervous system (NS) of the infected host from the site of entry (usually due to a bite) up to the site of exit (salivary glands). Successful achievement of the virus cycle relies on the preservation of the neuronal network. Once RABV has entered the NS, its progression is not interrupted either by destruction of the infected neurons or by the immune response, which are major host mechanisms for combating viral infection.
RABV has developed two main mechanisms to escape the host defenses:
1. Type I interferon is the main mediator of antiviral innate immune responses, but RABVs seem to be poor inducers of type I interferon, and such dampened type I interferon initial responses at the virus peripheral entry sites might only partially eliminate replication.
2. Several mechanisms could enable RABV to escape or manipulate adaptive immune surveillance in the nervous system. Upregulation of FASLG expression and subsequent activation of Fas ligand could induce apoptosis of antigen-activated T cells and contribute to the termination of the immune response. The expression of HLA class I histocompatibility antigen, α chain G (HLA­G), a nonclassical, immunosuppressive HLA, and upregulation of the expression of programmed cell death ligand 1 (PDL1; also known as B7H1) could inhibit T cell proliferation and apoptosis.
One reason for a failure to protect in humans may be the poor immunological response the virus provokes, despite the period between exposure to virus and the development of disease being measured in months. Few individuals have measurable neutralizing antibody on presentation with disease, although in many cases this develops as symptoms become more severe. Furthermore, when antibody is detected in serum it rarely appears in cerebrospinal fluid suggesting limited penetration into the CNS, the site where it is most needed. The virus-neutralizing antibodies (VNAs), which might be detected in the acute neurological phase of naturally acquired RABV infection in humans, are considered to be unable to prevent a fatal outcome of the infection.
The principal immunological correlate of protection produced by vaccination is the neutralizing antibody. The goal of vaccination is to induce VNAs against glycoprotein that provide protection against RABV infection. The vaccine does not act on the virus but instead it acts on the patient.
Therefore, the vaccine is given prior to rabies exposure. It promotes immunity by triggering an immune response. The production of antibodies takes around 7-10 days. If given after a bite, the rabies immune globulin or anti-rabies serum is given in conjunction with the rabies vaccine to provide immune protection until an antibody response can occur.
Best.
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Please contact us if interested in publishing in this Special Issue from Processes (MDPI). Original work and reviews will be considered.
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I am trying to design a vaccine candidate, for my B-lymphocyte epitopes I want to predict solubility. These peptides are 12 Amino acids long. Is there any server or tool to do that? I have tried using protein-sol but it did not work as at least 21 amino acids are required as minimum threshold to run the server. Please help, Thanks.
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Sorry outside of my field.
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I read a while ago that tetatus and diphtheria toxoids only represent about 50% of proteins in vaccines but I cannot find the original reference. Please, if someone knows about it share the info.
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A mixed combined vaccine is given in form of Diphtheria and Tetanus Toxoid given together as Td in adults for protections against Diphtheria and Tetanus .for more detailed check the attached ref:
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Guinea pigs are the preferred animal models for Q fever studies as they develop fever and exhibit weight loss. We are currently developing a human Q fever vaccine and need to do some preliminary experiments to show protection from challenge. Any leads would be appreciated.
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We have the animal house. We hope to work together.
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Can a blood donor be deferred due to recently receiving a vaccine? If so, is there a specific type of vaccine and is there a time period wherein a blood donor cannot donate? What will happen if the patient wasn't deferred?
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viral diseases so bacterial diseases are so important especially in rural flocks.
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Salmonellosis, Campylobacteriosis.
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Is it true that covid vaccines like Covishield, Covaxine etc has some side effects? if yes what are the remedies/what to do?
Learnard Scientist in this line may kindly share your suggestions for the greater benefit of human race. Thank you all.
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The side effects of Covide vaccine still under observations inspite of brillient results of the of available manufactured vaccines ,so among side effects depends on manufactuary company and vaccinated persons likre auoimmune diseases,concurrent infections ,allergy ...so.....on.
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For the Covid Johnson vaccine, is one dose sufficient for a person already vaccinated (3 months after the vaccine) or is a second dose necessary for better protection?
Thanks in advance
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Colleaques ,the second dose decision belongs to manufactory company only because they know the protctive level of immunoglobulens .you need second dose or not please read well the manufactory directions
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This cysteine-peptide is used as vaccine and is being subcutaneously injected to mouse. As DTT is toxic to mouse, what conc. is acceptable?
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DTT, also known as dithiothreitol, is a reducing agent that can be used to prevent the oxidation of cysteine residues in proteins. It works by reacting with disulfide bonds to convert them to thiol groups, which can then participate in disulfide exchange reactions. The amount of DTT that you should add to prevent cysteine peptide oxidation will depend on several factors, including the concentration and stability of the protein, the presence of other reducing agents or oxidizing agents, and the desired level of protection against oxidation.
DTT is a reducing agent that can be toxic to some organisms, including mice, when ingested or injected. Therefore, it is important to consider the toxicity of DTT when using it in any application, including as a component of a vaccine.
The toxic effects of DTT in mice may vary depending on the dose, route of administration, and the specific strain of mice used. It is generally recommended to use the lowest possible concentration of DTT that is effective for the intended purpose, and to carefully monitor the health and behavior of the mice for any adverse effects.
In general, DTT is typically added to protein solutions at concentrations of 0.1-1 mM. However, for subcutaneous injection into mice, it may be necessary to use a lower concentration of DTT to avoid toxicity. It is recommended to carefully evaluate the toxic effects of DTT at different concentrations in mice and to determine the lowest concentration that is effective for the intended purpose.
It is also worth noting that DTT is not the only option for preventing cysteine peptide oxidation. Other reducing agents, such as tris(2-carboxyethyl)phosphine (TCEP) or β-mercaptoethanol (BME), may also be used. These agents may have different toxicities in mice and should be carefully evaluated before use.
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There is scientific evidence of mRNA and vectorial vaccines' genotoxicity.
mRNA vaccines induce immunodepression increasing vulnerability to communicable and non-communicable diseases ( cancer) and have a high rate of serious adverse effects, including death. Many otherwise healthy young people have died
Scientific evidence is supported by epidemiological data that show an increase in the infection risk from VOC in vaccinated people and in oncologic patients.
Moreover, I suggest reading Christine Cotton's expertise about the mRNA vaccines' unreliability.
In Florida, there was an 83% increase in mortality in vaccinated people.
We proposed on Research gate an International Research Manifesto for the withdrawal of mRNA and vectorial vaccines. if you agree you could sign it for building an international pressure lobby and there is an open discussion on Researchgate about this topic.
Reference on Research Gate
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My openion about mRNA and vectorial AntiCovid vaccines that they play an important role in facing pandemic in the world so any withdrawal must be with more effective and cheaper one
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Following release of Pfizer mRNA trial data, ordered by a court to be released 75 years ahead of the original plan, we see to 31 March 2021 that 38 participants were Dead, average age 65 years. The injection history of the dead was as shown:
1 x Placebo 2
2 x Placebo 15
1 x Pfizer mRNA 2
2 x Pfizer mRNA 17
2 x Placebo plus 1 x Pfizer mRNA 2
In addition 193 people were "Lost to Follow-up" after multiple attempts to contact them with failure to respond to a certified letter sent to their last known address.
Their injection history was:
1 x Placebo 49
2 x Placebo 51
1 x Pfizer mRNA 45
2 x Pfizer mRNA 48
Has anyone found further publications following the fatality rate among the 44,820 trial participants?
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A searchable database of Pfizer mRNA trial data is available
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hi!
I have aluminum hydroxide in powder form. I have to use it as an adjuvant with peptide vaccine for rats. I tried to dissolve it in Water. PBS and DMSO but it is insoluble in all. can you please suggest me a solvent for aluminum hydroxide as an adjuvant?
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Aluminium hydroxide is used in gel form as an adjuvant in vaccine formulations. it's is precipitated in alkaline conditions to form gel.So, I guess you don't need to make it solubilize, instead try to make a gel out of it.
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I have to write a HIV vaccine research proposal for my assignment.
"Explain in detail the relevant results of the recent peer-reviewed key article(s) of your choice to understand the choice of the vaccine and the adjuvant. Select, show and explain only the relevant data from the article(s) of your choice. Explain why you think the vaccine and adjuvant of your choosing can lead (after further development as described in your plan of investigation) to a promising new or improved vaccine."
Any suggestions for promising vaccine strategy or candidate vaccines that needs improvements?
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Adjuvant_Mediated Enhancement Of Immune Response to HIV...
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I wish to test the Hypothesis that Placebo jabs cause a weakened Immune System, leading to higher incidence of Covid19 infection.
The clinical trials I have seen had 2 subsets of volunteers, one receiving injection of the Test substance and the other an injection of a Saline Placebo.
Given that Nickel and Chromium from the needles used are likely to induce Allergic reaction in a significant percentage of the population, it would be useful to have a 3rd cohort, matched to the rest, but simply observed and receiving neither the Test substance nor Placebo.
Have any such trials been published?
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I did not see such trial ,please inform me such trial.
Best regards
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Hello Researchers!
I need some help regarding vaccine potency testing and dose calculation for live and killed viral vaccines. Please tell me, how i determine the potency of vaccine as well as how i calculate the dose of live and killed viral vaccine.
Waiting for your positive response.
Thank you
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LSD vaccine available is sheeppox vaccine live attenuated vaccine administrted Intradermanelly or s/c dose used in cattle 8 doses of sheep for cattle.Scientfically dose calculated routinelly by Reed and Munech or karby method TCID50 ,until know no applied scientfic dose for LSD disease.
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The literature reports that COVID-19 vaccination has altered the course of the pandemic and has saved millions of lives. The inadequate access to vaccines in the developing world and low-income countries has limited the impact of COVID-19 vaccinations reinforcing the need for global vaccine equity and coverage. The effectiveness, safety, cost and side effects by various vaccines has been questioned. A number of COVID-19 vaccines have been assessed in the first year of the COVID-19 epidemic. Researchers and companies may now support the best COVID-19 vaccine for the developing world and the global population.
RELEVANT REFERENCES:
A. Watson OJ, Barnsley G, Toor J, Hogan AB, Winskill P, Ghani AC. Global impact of the first year of COVID-19 vaccination: a mathematical modelling study. Lancet Infect Dis. 2022 Sep;22(9):1293-1302.
B. David A Henry, Mark A Jones, Paulina Stehlik, Paul P Glasziou, Effectiveness of COVID‐19 vaccines: findings from real‐world studies, Medical Journal of Australia, 10.5694/mja2.51479, 216, 8, (431-431), (2022).
C. COVID-19 Infection and Anti-Aging Gene Inactivation. Acta Scientific Nutritional Health 4.5 (2020): 01-02.
D. COVID-19 and Cardiovascular Disease in the Global Chronic Disease Epidemic. J Clin Med Res. 2022;4(1):1-2.
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Covid_19 vaccine(COVAX) efficacy is measured in a controlled clinical trials and according to WHO publications that poweful new Covid_19 vaccine shows 90% efficacy ,so efficacy depends on manufactuary place,patient immunity(health status) autoimmune disease... etc.all these to gether determine safety,side effects ,for more detailed check the attached ref.about the comparison of Covid_19 vacvines
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The Pfizer mRNA vaccines contain
(4-hydroxybutyl) azanediyl) bis(hexane-6,1-diyl) bis(2-hexyldecanoate) ALC-0315
also known as 6-[N-6-(2-hexyldecanoyloxy)hexyl-N-(4-hydroxybutyl)amino]hexyl 2-hexyldecanoate, sold as a yellow oil.
It has 2 chiral centres so potentially the different optical isomers will have different toxic properties in Humans as found for Thalidomide.
Has any effort been made to separate isomers?
ALC-0315 has not had detailed toxicology studies, however in rats the half-life for transfer from blood to other organs was 139 hours, indicating it is very strongly bound inside the bodies of mammals. Would there be any difference in binding and metabolism of the isomers?
Which enzymes or other essential biological molecules might be expected to interact with ALC-0315?
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Hi,
What we know from available documents ALC-0315 is 1:1 racemate, and a statement from the document below explains that racemate was used:
"This excipient contains two chiral centres, but the excipient is a 1:1 racemic mixture of the diastereomers. The excipient is not optically active."
In regards to impurities of ALC-0315 looks like additional data was collected a year ago. But I'm not sure the data are publicly available:
"5) The sponsor to provide a discussion regarding process development for ALC-0315 with emphasis on the identification and purge of impurities. Due date: July 2021.
6) The sponsor will notify Medsafe of any changes to the ALC-0315 manufacturing process and/or suppliers/manufacturers/testing sites using Changed Medicine Notifications.
7) Specified impurities should be further evaluated and appropriate specification limits for individual impurities should be included when more data are available. Acceptance criteria for specified and un-specified impurities should be added to the specification for ALC-0315 and should also be evaluated during stability studies. Due date: July 2021; Interim report: April 2021 (...)
9) The sponsor to update the ALC-0315 assay and impurities limits when additional supporting data is available. Due date: July 2021."
Ref:
  1. https://www.health.govt.nz/system/files/documents/information-release/h202106950_response.pdf
  2. https://www.ema.europa.eu/en/documents/assessment-report/comirnaty-epar-public-assessment-report_en.pdf
One comment related to the long half-life. It could be possible in cases when the specific molecule is present in the bile that enterohepatic recirculation of the substance is possible. It can explain extremely long half-lives sometimes. Of course in some optically active substances, the process could be enantioselective (chiral inversion).
As we know ALC-0315 is a mixture of the diastereomers: "Diastereomers are any molecules which have two or more chiral centers. A diastereomer with two chiral carbon has four isomers. Unlike enantiomers, the physical and chemical properties of diastereomers can differ and consequently, their chemical characterization is easy and their biological activities are often different."
Hope could be helpful for future discussions,
Best regards,
Tomasz
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South Korea is shrugging off omicron’s summer return
7 August 2022, The Korea Herald
Infectious disease professor Dr. Kim Woo-joo of Korea University said about South Korean situation of COVID: “Unfortunately, reinfections are increasingly becoming a common experience due to the BA.5 subvariant’s rise to dominance and waning immunity, among other factors.”
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(PDF) Unmasking of asymptomatic COVID-19 cases following vaccination (researchgate.net)
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The choices usually in conflict are, should we fix the root cause of the problem or should we just manage the problem?
The case of the pandemic shows that there were those who opposed the solution of the problem with Covid 19 vaccines to attack the root cause (the virus) of the problem to minimize severity of infection or chances of hospitalization or changes of death; and those who just wanted the Covid 19 to be managed in such a way as to facilitate the reaching of natural immunity regardless of death levels or severity of consequences of just managing the Covid 19 problem.
In the case of the Covid 19 problem most countries if not all, chose to attack the root cause problem with the vaccine.
In the case of the environmental pollution problem, the international and local community is focused since 2012 on managing the pollution generation problem instead of fixing the root cause of the pollution generation problem(distorted market prices).
In the case of the pollution generation problem most countries if not all, chose to avoid fixing the root cause pollution generation problem with green markets in 2012 as the environmental cost internalization as vaccine, and went instead with the way of managing the pollution generation problem with environmental pollution management based markets.
And this raises the question, is the goal of dwarf green markets like climate change markets to reach a level of natural environmental immunity locally and globally through pollution management? While leaving the root cause of the pollution generation problem unfixed?
What do you think? Yes, then why? No, then why not?
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Dear Lucio Muñoz,
I will also answer your question by referring to the economic crisis indirectly caused by the SARS-CoV-2 (Covid-19) coronavirus pandemic in 2020. When the World Health Organization announced the state of a global epidemic at the beginning of March 2020, i.e. of the pandemic, the reaction of the financial markets was too nervous, too deep, too exaggerated. The behavior of stock exchange investors and the speculation of large financial institutions worked. Some governments fearing that there would be a shortage of beds in hospitals for seriously ill people with Covid-19 introduced lockdowns, which caused serious economic problems in many industries and sectors of the economy. In order for these decisions not to cause protests from the public, the government granted non-returnable subsidies to business entities on the basis of printed money in the public finance system cooperating with the central bank. These actions started an increase in inflation in 2021. Now, when we ask whether lockdowns have been applied to selected sectors of the economy in the context of rapidly developed vaccines and the scale of the severely ill with Covid-19 population and deaths from Covid-19 and comorbidities, different answers are coming up. The difference between the so-called the health crisis caused by the pandemic announced by the WHO and the climate crisis is that the pandemic appeared suddenly and was something new, and the climate crisis is being realized as a long-term, multi-year process. An interesting point is that so far WHO has not lifted the pandemic state, despite the fact that in many countries the pandemic has already been replaced with a state of increased virological risk, the anti-pandemic restriction has been lifted, the number of people seriously ill with Covid-19 has significantly decreased and the government has already recognized other problems as more important, which should be solved systematically and with the use of funds from the public finance system of the state. Such problems are currently double-digit and still growing inflation, and raised interest rates. by central banks and the economy entering a recession, energy crisis, food crisis, climate crisis. However, now referring to your question, I state that what you define as dwarf green markets, i.e. incomplete application of sustainability, pro-environmentalism, pro-climate in economic policy, is a kind of prosthesis of actions that should be implemented as part of a full pro-environmental and pro-climate transformation of the economy and are not realistically implemented. The reason is resistance in the spheres of business and politics, the lobby of large mining, mining and energy companies, as well as refineries operating in the sector or for the benefit of the dirty combustion energy sector. These sectors are key factors in slowing down the green transformation. Therefore, instead of fully carrying out the pro-environmental and pro-climate transformation of the classic growth, brown, linear surplus economy into a sustainable, green, zero-emission, zero-growth economy and a circular economy, prostheses of these processes are created, i.e. what you refer to as dwarf green markets. Thus, a short-sighted approach still prevails instead of long-term and strategic planning. Ad hoc measures are still being taken instead of introducing profound changes in the area of ​​pro-environmental and pro-climate transformation of the economy. The problem is still being swept under the rug instead of solving the problem in a multi-faceted manner and reaching the source of the problem. Contrary to the situation from the 1st wave of the pandemic (spring 2020), we know what to do in terms of the pro-environmental and pro-climate transformation of the economy, but we still do not fully do it, assuming that it will be done somehow. On the other hand, there is little time for a full pro-environmental and pro-climate transformation of the economy, thanks to which it would be possible to significantly slow down the global warming process, which has been progressing since the first industrial revolution and accelerating in recent years, and to significantly reduce the scale of the potential negative effects of the climate catastrophe, which may already appear in the current XXI century. In this way, instead of carrying out a complete, thorough (with reaching the source of the problem and taking into account a long-term strategy) pro-environmental and pro-climate transformation of the economy, prostheses of this process are created and dwarf green markets are created as you have described it. For example, companies and enterprises add to their missions and development strategies the issues of achieving the goals of sustainable development, pro-environmental and pro-climate responsibility of business, although they do not really do much in this matter. They present their new green missions in advertising campaigns with their new product and service offers, because they see that the level of pro-environmental awareness of citizens, i.e. their potential customers, is growing. On the other hand, penalties for introducing toxic waste into the natural environment, for CO2 emissions to the atmosphere, for poisoning the natural environment and increasing the incidence of various diseases occurring in humans and animals, etc., are not always allocated to solving these problems, to increasing the scale activities implemented under the environmental and pro-climate policy. Probably many people still do not realize that it is not much time left.
Best regards,
Dariusz Prokopowicz
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There have been 30 reports to the Australian TGA Database of Adverse Event Notifications (DAEN) of bad reactions in babies via exposure to Breast Milk from mothers who have received the Pfizer Covid19 vaccine.
Symptoms of the Pfizer poisoned babies include: Cardiac Failure, Foetal Cardiac Disorder, Cyanosis, Pallor, Lymphadenopathy, Cold sweat, Dyspnoea, Seizure, Myoclonus, Fever, Fatigue, Lethargy, Malaise, Somnolence, Faeces discoloured, Diarrhoea, Mucous Stools, Vomiting, Pain, Insomnia, Irritability, Tremor, Rash, Rhinorrhoea, Decreased appetite, Weight decrease.
What mechanisms are causing these effects, and what are the possible long-term impacts on the child?
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According to National Institute Of Health,(gov) No impact on breastfeeding or feefing of child after vaccination with Covid_19 but give maternal protction for child ,some reports about decrease in amount of milk yield due to vaccine reaction .(temperly).
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During trials of Covid-19 vaccines, there have been attempts to explain the observed high level of Serious Adverse Events in volunteers who received Placebo jabs.
Nocebo Effect describes a situation where a negative outcome occurs due to a Belief that the intervention will cause Harm. I regard that highly unlikely in people who rolled up their sleeves as volunteers. Are any readers aware of Mandatory jab trials where people were coerced into accepting one or more Placebo jabs?
I attach a SEM picture of syringe needle tip that can be expected to leave some stainless steel in your arm if some of the flakes formed during manufacture break off, presenting a Nickel Hazard.
Numerous researchers are ignorant of the fact that injection with Sucrose also cause allergic reaction in some people.
Picture from
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More great pictures from an elegant study that proved Acupuncture needles could leave metal behind after being jabbed into humans. Numerous cases of Nickel Allergy have been reported after Acupuncture.
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Nickel allergy and hypersensitivity has been linked to needle penetration of the skin. Mass immunization will therefore contribute to the rising proportion of the population sensitized to the element.
Because Tromethamine, used in a number of vaccines including Moderna and Pfizer, is often contaminated up to 15 ppm with Nickel after the catalytic Hydrogenation of its precursor, it would be interesting to determine how little Nickel can cause Anaphylaxis, as has been previously reported with a mitral ring.
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Potential Nickel contamination in the Tromethamine used in Pfizer and Moderna jabs could trigger Anaphylaxis. Subsequent re-exposure to the same allergen or hapten would lead to the activation of hapten-specific T-cells, which subsequently enter the bloodstream and produce visible signs of hypersensitivity at 48 to 72 hours after allergen or hapten exposure. Human toll-like receptor (TLR) 4 has been shown to play a crucial role.
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I'm interested in checking the viability of bacteria in vaccines used in on-site fish farming.
Wondering if anybody knows of inexpensive and easy assay that can be used in this regard?
Our initial thought would be some assay like the Resauzurin cell viability kit from Cellsignal
and some handheld fluorometer like Picofluor
https://topac.com/picofluor.html , from Turner Designs, but it seems to be discontinued.
Any thoughts would be greatly appreciated
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Go for something like the Promega BacTiterGlo kit, a luciferase-coupled viability kit based on ATP quantitation is very common in early-stage drug discovery. It's a homogenous assay format with increased sensitivity over redox dyes like resazurin.
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Hypothetical case discussion. With vaccination coverage as high as 90% in many areas of India. Should an elderly who is unvaccinated till now had symptom of flu one year ago, be vaccinated .....or we can assume he has developed natural immunity. What are the side effects of COVID vaccine in Elderly?
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Vaccination programm adapted in Elderly as well as remaining peoples. Side effect variable from vaccinated peoples according to health status,first shot ,second shot(booster).The most common reported side effect fatige,malaise,elevated heart rate,shortness of breath ,muscle and joint pain.
More detailed in the attached ref.
https//khn.org.news>articles
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Various researchers have placed the Pfizer Comirnaty products under the microscope and report emergence over time of various bodies, proposed to be extended colloid strings.
In some cases, thin platelet crystals are observed, with some people proposing they could be Graphene Oxide, secretly added as an undisclosed ingredient.
The original formulation contains added Potassium Chloride, Potassium Dihydrogen Phosphate and Sodium Hydrogen Phosphate Dihydrate, so that I would expect to see Phosphate salts precipitate ahead of any other salts.
Has anyone isolated and reported the chemical composition of these crystals?
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Cholesterol crystal micrograph in this article
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ALC-0315 is used in CureVac and Pfizer BioNTech Covid-19 vaccines.
(4-hydroxybutyl) azanediyl) bis(hexane-6,1-diyl) bis(2-hexyldecanoate) is listed at the US government Chemical Toxicogenomic Database but has zero information.
Material Safety Datasheets found so far also reveal no details of any toxicology studies.
Has anyone found useful science on this topic?
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Hi,
As in your next question, both substances are described in the TGA document:
Please check the document by keyword "ALC" and Ctrl+F, the number of hits is 91.
Best regards
Tomasz
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I have designed a vaccine for Monkeypox Virus. Is there anyone or any organisation who would like to take it further to wet lab studies?
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Thanx guyz
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I have studies of different sample sizes reporting individual vaccine acceptance %, I am trying to display this in a forest plot, pooled prevalence
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Creating forest plots is a vital component of a meta-analysis. When you are new to systematic reviews and meta-analyses, you may be pretty confused as I was. There are different software for meta-analysis and I personally prefer Review Manager (RevMan) by Cochrane collaboration (https://training.cochrane.org/online-learning/core-software/revman/revman-5-download). It is easy to use and offers different variables as well (to say, dichotomous, continuous, O-E variance, and log hazard ratios). The forest plot can be saved as a png image. However, one disadvantage is that the publication bias cannot be analyzed statistically. Other free software includes Metafore in R. If you are able to pay a subscription, Comprehensive meta-analysis (CMA) software is also pretty interesting.
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This question points to a possible on-going iatrogenic public health catastrophe. Is the blood supply at risk? Clearly, further research is urgently needed. The full paper (Benzi et al 2022) is available (open access) from the publisher (IJVTPR) cited as follows:
Benzi Cipelli, R., Giovannini, F., & Pisano, G. (2022). Dark -Field Microscopic Analysis on the Blood of 1,006 Symptomatic Persons After Anti-COVID mRNA Injections from Pfizer/BioNtech or Moderna. International Journal of Vaccine Theory, Practice, and Research, 2(2), 385–444. https://doi.org/10.56098/ijvtpr.v2i2.47
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Sounds like they have an evaporation problem on their slides.
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Some recent studies have documented COVID-19 being zoonotic. Online documents show china testing fish for the coronavirus. How ever, pets such as cats and dogs rarely show the signs of the disease even after infection, though there can still shed the virus to humans. To this effect, what preventive recommendation should be done against transmission of the virus between pets and humans. Is it possible fo the vaccine administered to humans also be administered to pets?
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Hello Exodus Akwa,
Pet animals were proven to be infected with SARS-CoV-2. In some cases, there are evidence of pets transmitting the disease to humans. Though it may be impractical/ difficult, avoiding contact with the confirmed infected pet is the only way out. In situations where the pet animals are asymptomatic, we cannot do anything. Some news of vaccine development for animals were reported from Russia, Finland (for ferrets) in the year 2021, however, their scientific publication is awaited. You can find more details in our recent review .
Thanks,
Deepak
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My account at Twitter has been suspended because I shared official US Government information, posted by another user that I found when searching on a topic.
I was not given the option of hiding or even deleting the item, which showed a case reported to VAERS of a young child who died during a COVID19 vaccine trial.
The record contained clinical information that suggests it was lodged by a medical professional.
I would be interested to hear from other researchers who have had their social media accounts locked, suspended or terminated.
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Very useful website reports on Twitter Thought Police termination of accounts.
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As you know Corona virus has spread around the world. Up to now, there is not any special drug or vaccine to treat this virus. To avoid more spread let's cooperate globally.
1. Wash your hands with soap for 20 secs.
2. Don't leave the home except necessary situations.
3. Drink hot liquid.
4. Use fruits to strength your body.
5. Just follow reliable sources and don't trust the cyberspace news.
Altogether we can defeat this virus.
Hoping health to all the people of the world
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Coronavirus Disease (COVID-19) increases the black market of education!
Look around you and count how many black offices for solving the exams and assignments are there.
From my point of view, e-learning alone will not succeed without traditional learning. Furthermore, I see that e-learning hasn't achieved the desired aims or results for developing countries and traditional learning is better. This is because there are many black offices for solving exam questions!! These offices made online learning a trading stock that resembles the slave-market.
At least, the hybrid learning of both of them is better than the traditional one.
In any way, exams must be inside the educational institutes with the physical attendance of the students.
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Based on our antiviral theory, why a virus can infect its target cell is because the target cell’s gene expression pattern is suitable for the viral infection, thus any factors that can change gene expression patterns in viral target cells could be used to reduce susceptibility to all viral infections. Low-dose X-ray irradiation can change gene expression patterns in different cells , presuming that X-ray irradiated cells are resistant or immune to all viral infections. Besides, X-ray irradiation can cause epigenetic changes, which could be passed on few generations. Hopefully, one dose irradiation on upper respiratory tract area could protect people for few months, leading to the possibility that low-dose X-ray irradiation ('irradiation vaccine') could be cure-all vaccine for all viral pandemics.
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No because all viruses posses a difference in antigenic structure and genetic diversity which aquired from enviroment' "mutation,"
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Vaccine related
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This is done automatically in this easy to use program, when you choose exponential regression:
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I want to better understand the difference between efficacy and efficiency to be able to compare the effectivity of various COVID-19 vaccines by using the vaccines' efficacy and efficiency.
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If a vaccine is providing you protection (desired effect) against a given pandemic no matter how much it costs, it is referred to as efficacious. If a vaccine provides you protection in shortest possible time at a cheaper rate, it is said to be efficient. This is the essence of difference that I understand. Further details can be accessed at:
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can we genetically modify the memory b cells and t cells for a disease in order to make it work as vaccine.
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Hi Pranav,
If there are memory cells available for a particular pathogen then it will do its work. To be clear memory B cells are generated during primary responses to T-dependent vaccines. They do not produce antibodies, i.e., do not protect, unless re-exposure to antigen drives their differentiation into antibody-producing plasma cells. As your question suggests the possibility of modifying memory B cells is not easy because the less percentage of that memory B cells would be difficult to isolate and maintain. If you are talking about modifying B cells there are many studies available for cancer immunotherapies. These B cells are used as APCs instead of DCs to avoid toxicity and generate an antigen-specific T cell response.
All the best