On Aug. 23, 2021, the U.S. Food and Drug Administration approved the first COVID-19 vaccine. The vaccine, known as the Pfizer-BioNTech COVID-19 Vaccine, was renamed and marketed as Comirnaty (koe-mir-na-tee), for the prevention of COVID-19 disease in individuals 16 years of age and older

The vaccine continued to be available under emergency use authorization (EUA), including for individuals 12 through 15 years of age and for the administration of a third dose in certain immunocompromised individuals.