FDA authorizes Pfizer’s Covid-19 booster for people over 65 or at high risk

The Food and Drug Administration on Wednesday granted an emergency use authorization to Pfizer and BioNTech’s Covid-19 vaccine booster, though for now the FDA said use of the booster should be restricted to people over the age of 65, adults 18 and older at high risk of severe Covid, and those who, like health care workers, are at higher risk of infection because of their jobs. That list includes teachers.

With the agency’s ruling, the Biden administration is one step closer to implementing its plan to begin to offer booster...