Swedish study on COVID vaccines and DNA misinterpreted

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4 years ago Curated by Theresa Wysocki

Photo caption: FILE – In this Jan. 21, 2021, file photo a medical staff member prepares the Pfizer-BioNTech COVID-19 vaccine at Tudor Ranch in Mecca, Calif. Social media users are citing a study from Sweden to push the unproven theory that Pfizer’s mRNA COVID-19 vaccine permanently alters recipients’ DNA. Experts, and the study authors, say the research is being misinterpreted. Photo credit: AP Photo / Jae C. Hong, File. Article by Sophia Tulp. AP News – July 20, 2022.

CLAIM: A Swedish study shows that Pfizer’s COVID-19 vaccine changes recipients’ DNA.

AP’S ASSESSMENT: False. The study tested whether the vaccine’s mRNA could be converted to DNA, and found that this was the case in certain lab-altered liver cell lines under experimental conditions. It did not assess whether the vaccine alters the human genome, or what the effects of that would be, according to experts and the study authors. Experts say additional research is needed because the findings in the lab setting cannot be used to make inferences about what might happen in a human body. […]

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