[Reiwa]

Originally Posted by alphys [You must be logged in to view images. Log in or Register.]

Is there any rationale to this aside from conformity? All the testing that has been done since covid has revealed that masks do not do anything for the reduction of viral spread unless its a sealed system or organic level of p100 at a minimum.

Hospital masks are to stop hair/spittle from entering wounds

https://www.sciencedirect.com/scienc...13935120307143

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Large droplets retard.