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A comment on Surgical masks reduce Covid-19 spread, large-scale Stanford study shows. Parent comment

Re:Surgical masks reduce Covid-19 spread, large-scale Stanfo... by mdp2021 on Friday September 03, 2021 @03:32PM (#28408387)
Because the the compliance increase in the «intervention arm» was +30%, not "total compliance". +30% compliance → -11% infections.
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