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The Conversation USA

Evidence shows that, yes, masks prevent COVID-19 – and surgical masks are the way to go

  • Written by Laura (Layla) H. Kwong, Assistant Professor of Environmental Health Sciences, University of California, Berkeley
imageWhat type of mask is best? Brais Seara/Moment via Getty Images

Do masks work? And if so, should you reach for an N95, a surgical mask, a cloth mask or a gaiter?

Over the past year and a half, researchers have produced a lot of laboratory, model-based and observational evidence on the effectiveness of masks. For many people it has understandably been...

Read more: Evidence shows that, yes, masks prevent COVID-19 – and surgical masks are the way to go

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