Americans will know if third booster shot is needed by fall: Fauci stocking 0 26 2021.04.19 09:32 https://youtu.be/1-KuefRwqV0 + 8 파우치 "부스터샷 여부, 여름 끝날 때나 가을 초입 결정" The top infectious disease expert in the U.S. says Americans will know by autumn,... if a third COVID-19 ...