设在华盛顿特区的泛美卫生组织就像欧盟ECDC一样, 常用统一规范，特别共同对抗影响美洲大陆的传染病。

来源: dw8866 于 2022-05-07 15:33:13 [旧帖] [给我悄悄话] 本文已被阅读：次

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