this post was submitted on 21 Nov 2023
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That’s what I was wondering. Like not that it can’t work but that it wasn’t implemented at the sufficient scale to do what it is purported to do.
Even clean rooms don't stay clean because great apes are not clean, and they have to work in the space. So even the best spaces aren't fool proof which is why lab teks wear masks and other equipment.
But yeah, work well enough to keep kids etc from being sick, would require lab level air filtration to make a difference. And we'd probably still have to dress the kids up like lab nerds even with lab level filters and fans.