A single line often inverts meaning once you see what it
answers, so neighbouring messages are always shown.
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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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... 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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2021-03-20 09:36
Andrew Rambaut
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.
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Andrew - since you have a keen eye. Do you know which 'mystery' sequences and viruses Jesse is talking about? I'm quite confused. I think maybe he means these? https://twitter.com/K_G_Andersen/status/1373310963680571397?s=20 Clearly they must be fragments they have managed to successfully sequence, as they mention in the Nature addendum - so absolutely no mystery. Am I missing something?
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I was assuming it was those. Some RdRp PCR products I assume
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Good to be discussing these points ahead of a likely burst of reporting with the relaese of the WHO report! I already have several reporters promising to call.