Based on what?
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Yep, Japan totally got aerosol spread...https://twitter.com/fergal_whatever/status/1380711140502642689 …
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Because western scientists accepted a fact decades ago that wasn't true and it didn't even occur to them that they could be wrong about something.
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But it is difficult.
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A big part of it is the foundational work in the West all revolves around airborne transmission of TB which is a bacteria. This partially changes the relevant thresholds of "aerosols" and what are relevant droplet sizes and the physics of everything.
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I understand that TB needs to travel all the way to cells at the end lungs of 5 micro small before it can infect - this confused said foundational science
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Because the true answer implied significant risks to public health and, therefore, expensive and disruptive remediations. The institutional incentives to not come to that conclusion were profound.
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The gold-standard test would be to expose a bunch of people, at various distances and with various levels of masking and air filtration, to actively infectious patients. Such experiments have been done in the past, but are considered unethical these days for deadly diseases.
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"It doesn't really seem all that hard to model and test for various sizes of viruses." Uhhhh, sure. It's really easy.
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Is this parody? Like there is an actual field of study of aerosol science. But hey - I mean, why actually read about something. If you don't know, and Matt doesn't know, then it must not be something that is known right?
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Yes, there is. What they are saying is in accordance with what that field in fact says.
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