The CDC updated its website to say N95 and KN95 masks offer higher levels of protection than cloth masks, although it stopped short of recommending them for everyone.
KN95 masks, which are the Chinese standard and are also required to filter out 95% of particles, also meet international standards but are not regulated by the U.S. However, the CDC warns that about 60% of the KN95 masks sold in the U.S. are fake and don't meet NIOSH standards for filtration.
Many public health experts have been urging Americans to upgrade to better masks, especially in recent weeks as "Cloth masks aren't going to provide a lot of protection, that's the bottom line," former FDA director Dr. Scott Gottlieb on January 2."This is an airborne illness. We now understand that, and a cloth mask is not going to protect you from a virus that spreads through airborne transmission.
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