FDA authorizes Pfizer and Moderna’s updated Covid-19 boosters

The US Food and Drug Administration on Wednesday authorized updated Covid-19 vaccine booster shots from Moderna and Pfizer. This is the first time updated Covid-19 vaccines have received emergency use authorization in the United States.The US Food and Drug Administration on Wednesday authorized updated Covid-19 vaccine booster shots from Moderna and Pfizer. This is the first time updated Covid-19 vaccines have received emergency use authorization in the United States.