
(Saul Martinez | The New York Times) People register at a COVID-19 vaccination event in Miami on Aug. 5, 2021. The Food and Drug Administration’s independent panel of vaccine advisers is meeting Friday, Sept. 17, 2021, to discuss the case for booster shots of the Pfizer-BioNTech coronavirus vaccine, and to vote on whether the agency should approve additional doses for people 16 and older.