Vaccine Advisers Change COVID Shot Guidance
In this March 2, 2021, file photo, Hollie Maloney, a pharmacy technician, loads a syringe with Pfizer's COVID-19 vaccine at the Portland Expo in Portland, Maine. (AP Photo/Robert F…
In this March 2, 2021, file photo, Hollie Maloney, a pharmacy technician, loads a syringe with Pfizer's COVID-19 vaccine at the Portland Expo in Portland, Maine. (AP Photo/Robert F…