F.D.A. Authorizes Covid Booster Shots for All Adults November 19, 2021 Auto Bot Coronavirus (2019-nCoV), Food and Drug Administration, Moderna Inc, Pfizer Inc, Vaccination and Immunization 0 The Food and Drug Administration authorized Pfizer-BioNTech and Moderna vaccine boosters for those 18 and older, in preparation for holiday travel and cold winter months.