Effectiveness of Face Mask or Respirator Use in Indoor Public

This report describes face mask or respirator effectiveness in helping protect against COVID-19 infection.

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NIOSH APPROVED N95 MASK RESPIRATOR - Approval Number: TC-84A-7447 - certified for at least 95% particulate filtration efficiency. Manufacturer: SUZHOU

NIOSH Approved N95 Mask Particulate Respirators, Pack of 20 N95 Face Masks, Individually Wrapped, Universal Fit

View of Effectiveness of manufactured surgical masks, respirators, and home-made masks in prevention of respiratory infection due to airborne microorganisms