U.S. FDA revises guidelines for Pfizer/BioNTech COVID-19 vaccines foll… stocking 0 50 2020.12.18 09:14 https://youtu.be/tFXyDUGrpgQ + 21 FDA, 화이자 백신 접종 지침 개정한다... 알레르기 위험 경고 The U.S. Food and Drug Administration is revising vaccination guidelines for COVID-19 vaccines ...