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CDC updates mask guidelines: What to know about N95 and KN95 masks – NBC News

CDC updates mask guidelines: What to know about N95 and KN95 masks  NBC NewsHow long you can wear your N95, according to experts  CNNMasking against COVID and omicron: a visual guide  The Seattle TimesCDC urges Americans to wear most protective mask or respirator that fits well and that they’ll wear consistently  CNNHealth experts urge switch away from cloth facemasks as omicron surge continues  KSTP

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