Pfizer shots expanded to age 12
WASHINGTON -- U.S. regulators on Monday expanded the use of Pfizer's covid-19 vaccine to children as young as 12, offering a way to protect the nation's adolescents before they hea…
WASHINGTON -- U.S. regulators on Monday expanded the use of Pfizer's covid-19 vaccine to children as young as 12, offering a way to protect the nation's adolescents before they hea…