And the things I think of are: - aerosolised virus (we knew before but know better now) - backward tracing (still not clear we do this well or at all) - 20% of infected responsible for 80% of infections
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In my bones it still *feels like* we're prescribing solutions to a different virus altogether. Happy to be corrected though.
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Because if we were there would be clear gov guidance on things like - air filters - indoor environments & air circulation - how backward tracing is done & why
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And in public consciousness - has the "smoky" nature of aerosolised virus sunk in? Or are people still thinking 2 metre distance (maskless) is safe enough because the virus falls to the floor? Because I'm not sure it has.
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And if a window was missed to standup more/faster testing combined with more resources for backward tracing, then surely now is the time to do so, because it looks like there will be a second lockdown window anyway. And a chance to re-engineer public health advice?
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No doubt NPHET are *aware*, but there can easily be a disconnect between their knowledge and public knowledge, and how that "new" knowledge is communicated. I assume groups of people meeting in a home for example may assume social distance is sufficient, when it's not.
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And I'm not sure public health advice has kept pace with knowledge about how the virus operates.
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Anyways, go read
@zeynep again.https://www.theatlantic.com/health/archive/2020/09/k-overlooked-variable-driving-pandemic/616548/ …2 replies 7 retweets 52 likesShow this thread -
Replying to @gavinsblog
Thank you. It's amazing how a good deal of what we know is still not reflected in our policies.
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Replying to @zeynep
Also a query if you have moment. Our health authorities play down aerosol transmission, the reference below goes to two documents...pic.twitter.com/LDX3CHzEHR
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Hmm. There are many many events for which there is no plausible explanation but aerosol transmission unless one really engages in contortionist thinking. So it definitely happens, and they even found viable virus in aerosolized form (though that is wicked hard to do technically).
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Replying to @zeynep @gavinsblog
The question remains what proportion of transmission is which, and in that particular area, my sense is that the people running the evidence synthesis (mostly MDs) are getting the physics of it wrong to be honest, but it almost doesn't matter in terms of practical guidance.
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