FDA approves updated Covid vaccines from Pfizer and Moderna as hospitalizations rise
[ad_1] A health-care worker prepares a dose of the Pfizer-BioNTech Covid-19 vaccine at a vaccination clinic in the Peabody Institute Library in Peabody, Massachusetts, Jan. 26, 2022. Vanessa Leroy | Bloomberg | Getty Images The Food and Drug Administration on Monday approved updated Covid vaccines from Pfizer and Moderna, putting the shots on track to…