Question re:K/N95 re-use. We need official/authoritative guidance. Use it carefully and let it sit for a few days in a paper bag or a non-airtight box disinfect (don't wash or heat) and keep using it is my unofficial guidance based on this paper. Anyone? https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7724761/ …https://twitter.com/cwarzel/status/1352299319617982465 …
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How many days? I having this conversation recently and realized I don't know the die-off window for respirators/filtration masks. (Fabric mask, I was letting sit 48 hrs closed or 24 in direct sunlight - ideally washing at 140F). But N95s? KN94s? Surgical masks? Is 48 hrs enough?
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I try to have about 5 different masks I rotate through to allow for enough time for deactivation. Direct sunlight I don’t believe requires that long for deactivation, correct me if I’m wrong
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