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by alevskaya
1667 days ago
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No one is arguing that the earliest known case on Dec 11 is when sars-cov-2 "began". We know it must be older than that. More recent reviews of chinese epidemiology don't mention the hubei patient, the Dec 11 case seems to be consensus earliest verified case. And yes, for a data point of this importance a random environmental sewage PCR handled over half a year later is of dubious provenance. If you've never done a ton of environmental PCR work you'd be amazed how easy it is to contaminate everything, but whatever. Given how contagious sars-cov-2 is, if it really were present in Italy in early December... we'd probably have more definitive proof of it's presence much earlier than Jan 31. |
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I'm not saying it had to happen that way, just that finding shreds of viral RNA in a market, in December, in Wuhan, is in no way dispositive evidence of the market being the origin of the virus -- any more than finding flu virus in the ball pit at a McDonalds means that the flu came from Ronald McDonald.
> And yes, for a data point of this importance a random environmental sewage PCR handled over half a year later is of dubious provenance. If you've never done a ton of environmental PCR work you'd be amazed how easy it is to contaminate everything, but whatever.
"They could have made a mistake, so I'm going to ignore all evidence which disagrees with my prior beliefs."