Cloth mask

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A type of mask with limited efficacy in preventing transmission, but some NIH studies suggested it might reduce severe illness through humidification; no longer recommended for population-level mandates.

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COVID Part 2: Masks, long COVID, boosters, mandates, treatments, and more

COVID Part 2: Masks, long COVID, boosters, mandates, treatments, and more

Peter Attia MD

A type of mask with limited efficacy in preventing transmission, but some NIH studies suggested it might reduce severe illness through humidification; no longer recommended for population-level mandates.