Age determines who qualifies for the bivalent formulations from Pfizer and Moderna. On Aug. 31, 2022, the U.S. Food and Drug Administration (FDA) amended the emergency use authorizations (EUAs) of the Moderna and Pfizer-BioNTech COVID-19 vaccines to include updated booster bivalent formulations. These latest formulations include messenger RNA components to help build immunity against both […]