FDA expected to OK Pfizer vaccine for teens within week

East Hartford High School junior Zander Robinson receives a vaccination from EMT Mary Kate Staunton of Clinton at a mass vaccination site at Pratt & Whitney Runway in East Hartford, Conn., Monday, April 26, 2021. Community Health Center, Inc. (CHC) hosted a "student skip day" to administer the first dose of the Pfizer vaccine to students from East Hartford High School and CREC Schools at the mass vaccination site. (AP Photo/Jessica Hill)

Connecticut National Guard medic Todd Smith, left, administers a shot to East Hartford High School senior Alberto Salazar Rodriguez at a mass vaccination site at Pratt & Whitney Runway in East Hartford, Conn., Monday, April 26, 2021. Community Health Center, Inc. (CHC) hosted a "student skip day" to administer the first dose of the Pfizer vaccine to students from East Hartford High School and CREC Schools at the mass vaccination site. (AP Photo/Jessica Hill)

WASHINGTON — The U.S. Food and Drug Administration is expected to authorize Pfizer’s COVID-19 vaccine for youngsters ages 12 to 15 by next week, according to a federal official and a person familiar with the process, setting up shots for many before the beginning of the next school year.