全世界清零？那完了，不可能。。。我怎么印象中是疫苗减少了重症从而降低了死亡率呢？

来源: snowandlotus 于 2022-04-24 19:02:55 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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