Pfizer seeks OK of updated COVID-19 vaccine booster for fall
Pfizer asked U.S. regulators Monday to authorize its combination COVID-19 vaccine that adds protection against the newest omicron relatives -- a key step toward opening a fall boos…
Pfizer asked U.S. regulators Monday to authorize its combination COVID-19 vaccine that adds protection against the newest omicron relatives -- a key step toward opening a fall boos…