Mask Confusion Settled: Here’s How Effective They Are

New study confirms consensus that masks protect the wearer and others

Virginia Tech research team Linsey Marr (front), Charbel Harb (left) and Jin Pan. Image: Virginia Tech

Face masks are widely considered by infectious disease experts to be a key layer of protection against catching or spreading SARS-CoV-2, the virus that causes Covid-19. A new study confirms this consensus and provides helpful details for buying or making a…

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