如果不能阻擋傳播,那得100%的人接種才行呼
應該是可以阻擋傳播吧并防止得病,不然為什麼福奇说70%接种就差不多是herd immunity 呢,
本帖于 2021-01-14 08:57:11 时间, 由普通用户 像龟的兔子 编辑
如果不能阻擋傳播,那得100%的人接種才行呼
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