A single line often inverts meaning once you see what it
answers, so neighbouring messages are always shown.
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I think we mentioned this on our very first call... Nature is way way more scary than lab.
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Very good point - Daszak made a good one as well in the NPR - extrapolating the 3% serology to even a portion ofthe general population is a lot of sarbecovirus exposures - way more than a few lab ppl mist-netting at a few caves per year.
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3% - that may well be every ~6 months given (a) exposures likely very low titer, and (b) seroreversion to CoVs. Ithink it's safe to say that a huge number of people are exposed to CoVs on a daily basis - and not just in China.
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~5% serology seems to be the baseline false positive for just about everything - see Ebola in Sierra Leone etc.
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2021-03-20 09:35
Kristian G. Andersen
... in Africa :wink:. That 2-3% number actually has pretty good baselines
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Baseline sampled in e.g., Wuhan - of all places.
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OK - baseline cross-reactivity with some sort of CoV
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See waste-water in Europe in 2019
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The 2-3% serological studies were specifically for SARS-like CoVs, with good baselines - so they might well be accurate. But yeah, getting a positive hit on a CoV serological assay - without controlling very closely for background- you can get anything, anywhere.