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

Since the coronaviurs first began spreading around the globe, people have debated how effective masks are at preventing COVID-19. A year and a half in, what does the evidence show?

Laura (Layla) H. Kwong, Assistant Professor of Environmental Health Sciences, University of California, Berkeley • conversation
Sept. 22, 2021 ~8 min

How to make sure you're wearing your mask right

Masks are only effective if you follow certain principles when wearing them.

Joy Pieper, Clinical Assistant Professor of Nursing, Purdue University • conversation
July 23, 2020 ~5 min

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