Surging coronavirus cases in the United States, driven by the highly contagious omicron variant, have prompted renewed recommendations from health experts that the public should consider wearing more protective face coverings, such as N95 or KN95 masks.
How often can you safely reuse your KN95 or N95 mask?
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Updated January 14, 2022 at 2:28 p.m. EST|Published January 13, 2022 at 11:24 a.m. EST