first detected in the united states, but initially seen in Mexic

来源: lost2008 于 2020-02-06 21:02:40 [档案] [旧帖] [给我悄悄话] 阅读数 : 0 (0 bytes)

回答: CDC自己说始于美国。查查CDC网站信息。由笑薇. 于 2020-02-06 20:11:52

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