"The Food and Drug Administration on Monday authorized booster shots of the Pfizer-BioNTech coronavirus vaccine for 12- to 15-year-olds, an effort to expand protection as schools reopen amid a surge of infections caused by the omicron variant."
"The Food and Drug Administration on Monday authorized booster shots of the Pfizer-BioNTech coronavirus vaccine for 12- to 15-year-olds, an effort to expand protection as schools reopen amid a surge of infections caused by the omicron variant."