What Are the Different Ingredients Being Used in the COVID-19 mRNA Vaccines? | VEC at CHOP Channel: The Children's Hospital of Philadelphia26K views • 01/05/2021Related VideosHow COVID-19 mRNA Vaccines WorkWhat's in COVID vaccines Pfizer-BioNTech, Moderna, AstraZenaca active (mRNA) ingredients excipientsCOVID-19 VACCINE: Ingredients, Speed of Production, mRNAHow Do mRNA Vaccines Work? | Vaccine Education Center at CHOP
