U.S. NIH study shows highest efficacy from J&J vaccine + Mode… stocking 0 55 2021.10.14 13:56 https://youtu.be/BW56IJlYmpk + 47 美국립보건원 "얀센+모더나 부스터샷 조합이 최고 성능" Many people who have been vaccinated are reaching the time when they might need booster shots to top ...