US Expands Pfizer COVID Boosters, Opens Extra Dose to Age 16
(AP) -- The U.S. is expanding COVID-19 boosters, opening the third dose of Pfizer's vaccine to people as young as age 16. The U.S. and many other nations already urge adults to get…
(AP) -- The U.S. is expanding COVID-19 boosters, opening the third dose of Pfizer's vaccine to people as young as age 16. The U.S. and many other nations already urge adults to get…