Benefits of J&J vaccine outweigh risk of rare blood clotting … stocking 0 22 2021.04.21 09:03 https://youtu.be/XQ-Y_GYJyTU + 2 EMA "얀센백신 희소혈전 관련 가능성…이익이 위험성보다 커" The European Medicines Agency has announced that the benefits of the Johnson and Johnson ...