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A comment on Low-cost measurement of facemask efficacy for filtering expelled droplets. Parent comment

Re:Low-cost measurement of facemask efficacy for filtering e... by zucker42 on Sunday August 09, 2020 @12:59PM (#24100958)
The control arm included mask usage.
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Re:Low-cost measurement of facemask efficacy for filtering e... by glofish on Sunday August 09, 2020 @01:03PM (#24100977)
Indeed, the paper is so valuable exactly because it looks at what happens when you force people to use the masks all the time.

it turns out it might be making the problem worse

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