Pfizer submitted this document to the FDA in September 2021 as part of the process seeking approval for booster doses. Comirnaty (Pfizer Covid-19 vaccine) is known as BNT162b2.

Pfizer submitted this document to the FDA in September 2021 as part of the process seeking approval for booster doses. Comirnaty (Pfizer Covid-19 vaccine) is known as BNT162b2.
