問題不是說群體免疫就完了。病毒還在變異，雖然大概率是越來越適應人體，但是也不能排除有惡性變異的可能

來源: 平等性於 2022-01-07 14:39:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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