Do face masks work against the coronavirus and should you wear one?

Do face masks work against the coronavirus and should you wear one?

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The advice on widespread face mask use to protect against covid-19 varies wildly, but there is some evidence that they stop sick people spreading the virus
Do face masks work against the coronavirus and should you wear one?
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https://www.newscientist.com/article/2240288-do-face-masks-work-against-the-coronavirus-and-should-you-wear-one/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home

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