Homemade Face Masks Work Best With Multiple Layers, Study Finds
n employee sews fabric while making a protective mask at the Artifact production facility in Omaha, Nebraska, U.S. (Photographer: Dan Brouillette/Bloomberg)

Homemade Face Masks Work Best With Multiple Layers, Study Finds

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(Bloomberg) -- Homemade face masks should ideally be made from multiple layers of fabric to trap the viral-laden droplets from the nose and mouth associated with the spread of Covid-19, a study fou...
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