S. Korea expands eligibility for 2nd COVID-19 booster shots starting M… stocking 0 57 2022.07.16 10:58 https://youtu.be/jBL5weje8LI + 2 정부, 코로나19 재유행 대비...4차접종 18일부터 사전예약 시작 Staying with how South Korea is facing another wave of COVID-19.