Not wearing masks to protect against coronavirus is a ‘big mistake,’ top Chinese scientist says | Science | AAAS

April 26, 2020

https://www.sciencemag.org/news/2020/03/not-wearing-masks-protect-against-coronavirus-big-mistake-top-chinese-scientist-says?et_rid=490680101&et_cid=3263545

This entry was posted on April 26, 2020 at 7:30 pm and is filed under -.

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