Sunday, June 14, 2020

'The effect is greatest when 100% of the public wear face masks': Growing body of research shows the role of face coverings in curbing the spread of the coronavirus

submitted by /u/maxwellhill
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source https://www.reddit.com/r/worldnews/comments/h8mtoi/the_effect_is_greatest_when_100_of_the_public/
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