与毒共存是常态，群体免疫是无奈。全球性无症状传染，防不胜防，是第三次世界大战，人类VS病毒。

来源: 7Sle 于 2020-04-20 13:25:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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