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Now, even those recommendations are changing.
(Bad news for everyone who ordered a wardrobe of cute cloth masks last year.)
A KN95 mask can also reduce your risk of getting sick at a party or other large gathering.
But just how reusable are they?
When is it time to ditch your mask and reach for a fresh one?
The key is how long it’s worn and what condition it’s in.
Store them in a paper or mesh bag to let them air out.
Masks that are visibly soiled, wet, or contaminated with mucus or saliva should also be tossed.
When in doubt, throw it out.
