A social media account that claims to report “breaking news” recently promoted the false rumor that mRNA COVID-19 vaccines contain cancer-causing DNA. The post does not link to a source for the claim, but it appears to have originated in a video hosted by a conspiracy theory-promoting physician.
Widespread myths that mRNA vaccines alter DNA or cause cancer have circulated since COVID-19 vaccines were rolled out in late 2020. The persistence of this misinformation increases its risk. Debunking messaging may explain that mRNA vaccines do not interact with or alter DNA and that there is no link between any COVID-19 vaccine and cancer risk. Continuing to emphasize that COVID-19 vaccines have been shown to be safe is recommended.
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