AdvertisementPfizer and BioNTech ask FDA to authorize COVID vaccine booster for people 18+November 09, 2021Joe PalcafacebookEmailSafeway pharmacist Shahrzad Khoobyari administers a Pfizer-BioNTech COVID-19 booster shot to Chen Knifsend at a vaccination clinic in San Rafael, Calif., in October. The companies are seeking regulatory authorization to expand boosters to everyone 18 and older. (Getty Images)