@FinchTH I think people would be okay with 99% protection against severe disease, both acute and chronic, but still experiencing symptoms. But reality is nowhere near that (and not clearly possible).
@芬奇：我认为99%的保护措施可以预防严重疾病，包括急性和慢性疾病，但仍有症状。但现实远没有达到这一点（而且显然不可能）。