Pfizer seeks to expand omicron booster to 5- to 11-year-olds
By The Associated Press Pfizer asked U.S. regulators Monday to expand use of its updated COVID-19 booster shot to children ages 5 to 11. Elementary school-aged children already rec…
By The Associated Press Pfizer asked U.S. regulators Monday to expand use of its updated COVID-19 booster shot to children ages 5 to 11. Elementary school-aged children already rec…