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接种疫苗后还需要戴口罩吗?

已有 1452 次阅读 2021-4-6 22:55 |个人分类:科学感想|系统分类:科普集锦

接种疫苗后还需要戴口罩吗?


Do you still need to wear a mask after COVID-19 vaccine? Yes, experts say. Here's why.

Do you still need to wear a mask after COVID-19 vaccine ...

https://www.yahoo.com/lifestyle/do-you-still-need...

Do you need to wear masks after Covid vaccine? New NIH ...

https://www.cnbc.com/2021/03/26/do-you-need-to...




https://blog.sciencenet.cn/blog-39731-1280650.html

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