N95 are the stock masks for blue collar guys in dusty environments and have been forever but suddenly you need a PHD to operate one.https://twitter.com/DempMcgee/status/1246463930664390663 …
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No, sorry. This is stupid. We've gone from everyone should wear a mask to everyone can properly use an n95 mask as if they're the same thing.
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We need to consider the context of use too. Medical workers need virtually 100% protection: they need to use them prefectly. For ordinary schmoes, who are exposed only casually, on the way to the store or whatever, 90% or even 50% protection is very, very useful.
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