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Wearing 2 masks doubles protection against Covid virus – Sify News

New York, April 17 (IANS) Scientists now report that wearing two face coverings can nearly double the effectiveness of filtering out SARS-CoV-2-sized particles,…



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“The medical procedure masks are designed to have very good filtration potential based on their material, but the way they fit our faces isn’t perfect,” said Emily Sickbert-Bennett, associate professor of infectious diseases at the University of North Carolina (UNC) School of Medicine and lead author of the study.
To test the fitted filtration efficiency (FFE) of a range of masks, the researchers worked with James Samet and colleagues in the USEPA Human Studies Facility on the campus of UNC-Chapel…

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