AskByGeeks | McMaster research shows surgical masks as effective as N95
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Surgical masks are as safe as the N95 masks in preventing the spread of COVID-19 among health-care workers, a study led by…
Surgical masks are as safe as the N95 masks in preventing the spread of COVID-19 among health-care workers, a study led by…
Lead author says study is ‘only randomized controlled trial of the N95 respirator compared to a surgical masks’ Surgical masks…