Health care workers are prepared to protect themselves with Chinese-manufactured KN95 masks if faced with continued N95 respirator shortages, leading to the question: What is the difference between the two coverings, and are KN95s OK to use? What can they filter? Both masks are also required to capture and filter out 95% of particles smaller than 300 nm in the air, according to the Centers for Disease Control and Prevention and the U.S. Food and Drug Administration. The size range of SARS-CoV-2 (COVID-19) is 65-125 nm, but corona virus DOES NOT TRAVEL ON IT'S OWN. It's spreads by droplet transmission. It...
September 09, 2020
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