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主题:新冠疫情的一点比较 -- lzg2306

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家园 美国 CDC的建议

Follow CDC’s recommendations for using a facemask.

CDC does not recommend that people who are well wear a facemask to protect themselves from respiratory diseases, including COVID-19.

Facemasks should be used by people who show symptoms of COVID-19 to help prevent the spread of the disease to others. The use of facemasks is also crucial for health workers and people who are taking care of someone in close settings (at home or in a health care facility).

不戴口罩被感染了咋办?说到底就是大家都买不到口罩

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