新冠老人死亡率非常高。老人死多少对预期寿命影响最大，所以美国近2年预期寿命下降不少。后面几年应该会改善。

来源: anne8 于 2023-11-08 06:23:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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