FDA headquarters sign

Mandatory Credit: Photo by CHINE NOUVELLE/SIPA/Shutterstock (12361198d) (210824) - WASHINGTON, Aug 24, 2021 (Xinhua) - Photo taken on Aug 23, 2021 shows the U.S. Food and Drug Administration in Silver Spring, Maryland, the United States. The U.S. Food and Drug Administration (FDA) on Monday granted full approval to the Pfizer/Biontech COVID-19 vaccine for people age 16 and older. U.S. Covid 19 Fpizer Vaccine Full Approval - 23 Aug 2021