CDC advisers back COVID booster shots for those 65 and older and ones … stocking 0 44 2021.09.24 12:40 https://youtu.be/KdI6N6ZLdLM + 12 美CDC 자문단도 고령•고위험군만 부스터샷 권고 A U.S. Centers for Disease Control and Prevention advisory panel has recommended Pfizer booster shots,... but ...