The U.S. is expanding use of Pfizer's COVID-19 vaccine to children as young as 12. The Food and Drug Administration says the shot is safe and offers strong protection for younger teens based on testing of more than 2,000 U.S. volunteer. (May 3)
The U.S. is expanding use of Pfizer's COVID-19 vaccine to children as young as 12. The Food and Drug Administration says the shot is safe and offers strong protection for younger teens based on testing of more than 2,000 U.S. volunteer. (May 3)
