No, mRNA COVID-19 Vaccines Do Not 'Alter Your DNA'
Origin In mid-November, a lengthy bit of viral and repeatedly copied-and-pasted-text spread across various social media platforms and fringe conspiracy websites. The post, whatever platform it finds itself on, is typically titled “Covid vaccine should be avoided at all cost,” and is often erroneously described as a message from anti-vaccine crusader Robert F. Kennedy Jr. Following initial publication of this piece, Kennedy provided Snopes with a statement officially disavowing authorship: I never made those underlying assertions [in the viral post] and I don’t believe them to be factual...
Source: snopes.com