Can you reuse N95 and KN95 masks safely? Experts weigh in

Federal officials at the Centers for Disease Control and Prevention (CDC) updated mask guidance this week to suggest Americans choose N95 or KN95s if possible, as respirators better stem the spread of SARS-CoV-2 spread this winter. 

Experts have previously confirmed that Omicron spreads at a faster, more effective rate compared to earlier virus variants, and respirators like the N95 provide those in public a boost in subsequent filtration abilities if worn correctly.

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I wonder if these are the same experts that 'advised' us to wear those paper and cloth masks - you know, the ones that they now are saying don't work?