Thursday, August 13, 2020

When new N95 respirators are unavailable, N95 respirators past their expiration date; sterilized, used N95 respirators; and other less common respirators can be acceptable alternatives. (JAMA Internal Medicine, 11 August 2020)


https://ift.tt/3iwXPkg via /r/science https://ift.tt/31N9fK0

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