Assessment of Use and Fit of Face Masks Among Individuals in Public During the COVID-19 Pandemic in China
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DOI: 10.1001/jamanetworkopen.2021.2574
Abstract: Key Points Question What proportion of people in public places are wearing face masks without proper airtight seals, what factors are associated with face mask protection efficacy, and can they be improved? Findings This cross-sectional… read more here.
Keywords: use; mask airtightness; face; face mask ... See more keywords