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by wskinner
2298 days ago
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The article you shared directly contradicts your claim. > N95 masks fulfill the filtering efficiency criteria of the National Institute for Occupational Safety and Health (NIOSH) and are approved for protection against droplet and airborne transmission of 95% of particles greater than 0.3 microns in size. N95 masks, which must be fit tested, are believed to offer protection against the contact and droplet spread of the coronavirus. At a minimum, N95 masks should be used for all known or suspected cases of 2019-nCoV, as well as for any asymptomatic “open airway’’ cases... |
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