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mask

Third-wave fear on ‘CLOTH MASK’

A surgical mask prevented 59 per cent of respiratory aerosols from a cough, whereas a three-layer cotton mask blocked 51 per cent, and a N95 mask blocked up to 95 per cent

February 1, 2022

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STUDY: Double masking gives double protection

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 Hill…reports

April 17, 2021

Health·Lite Blogs

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