Masks

Study Confirms One Type of COVID Mask Is 'Significantly Better' Than Others They're not all the same. David Nield ScienceAlert

Of the four types of masks tested, the duckbill N95 mask came out on top: it blocked 99 percent of large particles and 98 percent of small particles from getting out into the air. Overall, 98 percent of the viral load was blocked by the N95.

N95 respirator gets top billing in stopping SARS-CoV-2 viral leakage into the air Researchers who compared the ability of cloth and surgical masks and KN95 and N95 respirators to impede SARS-CoV-2 leakage into the environment show that the "duckbill" N95 won handily, stopping 98% of the virus that causes COVID-19. CIDRAP

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