Top doctors say not so fast to Biden's boosters-for-all plan
FILE - 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. An influent…
FILE - 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. An influent…