Pfizer mRNA COVID-19 vaccine safety
Health and Wellness with Dr. Wang
Monday, August 25, 2025 - 27 minutes
Claims have been spread online that Pfizer "put a known cancer" in its mRNA COVID-19 vaccine. Dr. Anita Wang explains the misguided basis of the claim, how mRNA vaccines are developed compared to previous vaccines, and the general safety of both, with mRNA vaccines proven to have the edge on safety.