Pfizer COVID-19 Vaccine Converts to DNA Inside Human Liver Cells, New Study March 5, 2022March 4, 2022 Arizona Sun Times Staff – – – Photo “Pfizer Vaccine” by U.S. Secretary of Defense. CC BY 2.0. Sign up here to get your copy of The Arizona Sun Times Daily UpdateDaily updates, breaking news, special offers, and more CONFIRM Thank you for signing up!