Moderna and J&J vaccines get U.S. approval for booster shots stocking 0 40 2021.10.22 22:56 https://youtu.be/uSl4HNt-y0A + 42 미국, 얀센•모더나 부스터샷 시행…규제당국 최종 승인 U.S. drug regulators have given all necessary approval for booster shots of the Moderna and Janssen ...