False Claim: A COVID-19 Vaccine Will Genetically Modify Humans(reuters) - Health - Nairaland
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| False Claim: A COVID-19 Vaccine Will Genetically Modify Humans(reuters) by Nobody: 1:20pm On Nov 24, 2020 |
According to the World Health Organization (WHO), a DNA vaccine “involves the direct introduction into appropriate tissues of a plasmid containing the DNA sequence encoding the antigen(s) against which an immune response is sought, and relies on the in situ production of the target antigen.” ( here ) This means that, in contrast to the more widespread “conventional” vaccines ( here ) which use a whole pathogen or fragment, a DNA vaccine involves the injection of a small part of the virus’s genetic code (DNA or RNA) to stimulate immune response in a patient without an infection ( here ). This procedure does not create a genetically modified organism, which the Food and Agriculture Organization (FAO) defines as “an organism in which one or more genes (called transgenes) have been introduced into its genetic material from another organism using recombinant DNA technology.” ( here ) Mark Lynas, a visiting fellow at Cornell University’s Alliance for Science group, debunked the idea that a DNA vaccine could genetically modify an organism. Lynas told Reuters that no vaccine can genetically modify human DNA. “That’s just a myth, one often spread intentionally by anti-vaccination activists to deliberately generate confusion and mistrust,” he said. “Genetic modification would involve the deliberate insertion of foreign DNA into the nucleus of a human cell, and vaccines simply don’t do that. Vaccines work by training the immune system to recognize a pathogen when it attempts to infect the body - this is mostly done by the injection of viral antigens or weakened live viruses that stimulate an immune response through the production of antibodies.” Lynas added: “The DNA [in DNA vaccines] does not integrate into the cell nucleus so this isn’t genetic modification - if the cells divide they will only include your natural DNA. But this approach is incredibly promising for COVID because it can be scaled up very quickly, and is very versatile - it is easy to synthetically produce DNA sequences that match the required bits of viral genetic code.” Dr Paul McCray, Professor of Pediatrics, Microbiology, and Internal Medicine at the University of Iowa further explained to Reuters via email how the COVID-19 vaccines being developed would work: “For COVID-19, the main protein used to boost the immune system is the spike (S) protein from the virus. This can be given as a vaccine in many different forms: as inactivated (dead) virus, as expressed protein, in a DNA or RNA vector that will make cells make this protein, etc. So the only modification to the host is to stimulate them to make antibodies and T cells that will prevent infection with the virus or kill any infected cells to prevent or reduce disease severity. This is what happens if you get a virus infection naturally, but the vaccine takes the risk of serious disease out of the equation.” There are many trials currently underway for a COVID-19 vaccine worldwide, with some exploring the possibility of a DNA vaccine, which may be where this false claim stems from ( here , here ). While there are trials for a DNA vaccine for COVID-19 underway, the method does not involve changing people’s existing DNA. A future COVID-19 vaccine would not make humans “genetically modified organisms”, as the video claims. VERDICT False. A future COVID-19 vaccine will not genetically modify humans. DNA vaccines do not integrate the virus’ DNA into the cell nucleus of its recipient but instead inject part of the virus’ DNA/RNA into tissues to stimulate an immune response in the body. This article was produced by the Reuters Fact Check team. Source: https://www.reuters.com/article/uk-factcheck-covid-19-vaccine-modify-idUSKBN22U2BZ |
| Re: False Claim: A COVID-19 Vaccine Will Genetically Modify Humans(reuters) by Equal2DeTask(m): 1:24pm On Nov 24, 2020 |
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| Re: False Claim: A COVID-19 Vaccine Will Genetically Modify Humans(reuters) by AbleAbleAlways(f): 1:39pm On Nov 24, 2020 |
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| Re: False Claim: A COVID-19 Vaccine Will Genetically Modify Humans(reuters) by byinks(f): 1:43pm On Nov 24, 2020 |
67% of Americans don't believe this article. |
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