This is a poorly fitted surgical mask. There is no smoke escape through the mask material. FFP type respirators are fitted properly and do not leak around the edges. Even poorly fitted masks provide some protection for the wearer & others.
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I protested my local hospital sending my infected father back to his nursing home because of my certainty that the regular masks their staff were wearing would not prevent an outbreak. Within weeks many in that home were infected and died. I knew at least two of the dead.
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They aren’t useless but their efficacy is not even that close to what we were told earlier in the pandemic. We need an honest and thorough evaluation of masks so we can make proper risk evaluations. Also, overconfidence in NPI’s could lead more spread in certain scenarios
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A mask that stops the irrelevant and allows the relevant to pass is in fact useless.
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Regardless, we need to change messaging to say everyone should use n95/ffp2 (or better) respirator masks, which are widely available. Cloth masks may be better than nothing, but they clearly don't protect as n95s do.
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Agreed. Nothing < Cloth << N95
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