US study of AstraZeneca vaccine proves efficacy l GMA
Dr. Jen Ashton is live with analysis of the AstraZeneca U.S. trial results released overnight. #ABCNews #COVIDVaccine #AstraZeneca #COVID19 source
Dr. Jen Ashton is live with analysis of the AstraZeneca U.S. trial results released overnight. #ABCNews #COVIDVaccine #AstraZeneca #COVID19 source