美疾控中心主任：美国正在走出新冠疫情

5月 18, 2021

美国疾病控制与预防中心(CDC)主任罗谢尔·瓦伦斯基星期二(5月18日)说，美国看起来正走在摆脱大流行病的道路上。她指出，最近七天平均新增新冠病例和死亡人数是疫情开始以来最低的。

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