KN95 Face mask
Approved by the USA as suitable replacements for the N95 mask. These face masks are the only masks said to in fact assist with the infection, as these fit best on the face. The molecular structure of the COVID-19 virus is large in size, so again not all face masks are effective as the face mask has to be able to trap the virus. The KN95 Face mask is said to be able to do this as well as this mask only allows small molecules through the catchment area.
“With doctors, nurses and other health care workers facing acute shortages of protective masks, the Food and Drug Administration announced on Friday that it will allow use of a more widely available mask that meets Chinese standards instead of American ones.
Hospitals across the United States are running out of N95 masks, which filter at least 95 percent of particles that are 0.3 microns or larger, including the new coronavirus. N95 masks are tested and certified by the National Institute for Occupational Safety and Health, or NIOSH, a research agency that is part of the Centers for Disease Control and Prevention.
On Friday, the F.D.A. issued an emergency use authorization for KN95 Face masks. Regulated by the Chinese government, they are almost identical in performance to N95 masks. There are slight differences in their specifications, like a variation in the maximum pressure the masks must be able to withstand as a person inhales and exhales.
The F.D.A. said KN95 Face masks were eligible for authorization if they met certain criteria, including documentation that they were authentic.But many hospitals have not been willing to order KN95 masks because of uncertainty over whether imports would be allowed into their countries, as well as potential liability if they turned out to be counterfeit. But for some institutions, that may be a worthwhile risk if the alternative is no masks.” – Source “https://www.nytimes.com”
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