Pfizer Covid-19 shot expanded to US children as young as 12
By LAURAN NEERGAARD and CANDICE CHOI U.S. regulators on Monday expanded the use of Pfizer’s COVID-19 vaccine to children as...
By LAURAN NEERGAARD and CANDICE CHOI U.S. regulators on Monday expanded the use of Pfizer’s COVID-19 vaccine to children as...