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Installing air filters in classrooms has surprisingly large educational benefits (2020)

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308 points tangjurine | 2 comments | 31 Mar 25 00:22 UTC | HN request time: 0s | source
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Balgair ◴[31 Mar 25 02:42 UTC] No.43530271[source]▶
Anecdote: Our daycare was a plague ship right after covid 'ended'. None of the kids had any immunities, and they made up for it in a hurry. Man, what a terrible year.

As a result, the daycare got a grant to get N-95 air filters installed and those UV lights that Chinese restaurants tend to have in the bathrooms. One per room.

What. A. Difference.

The infants and kids coming up are not nearly as sick, and when they do get sick, it's not nearly as terrible. The RSV vaccine has also been a godsend.

I can't really tell/feel what what the silver bullet here, but the combinations have been amazing. So much so that we got them for the house.

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1. HPsquared ◴[31 Mar 25 08:48 UTC] No.43532697[source]▶
I wonder how much of the improvement was due to reversion to the mean. When bringing everyone back, you would expect a sharp peak of infections which would decay to normal levels after a while - filters or not. I'm sure they do still have some positive effect though.
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2. Balgair ◴[31 Mar 25 13:29 UTC] No.43534830[source]▶
Anecdotally: it was a big effect.

Rigorously: no way to tell now, the time has passed.

Likely: you're right. But what little staff is there from pre-covid says that they have helped a lot too.

Reality: here's $500/wk and my kid, in return I get really sick for a year no matter what.