COVID-19 and the Wuhan market


The way John Snow (later Sir John Snow) determined that the Broad Street pump was the source of a London cholera epidemic was epidemiology. He found, using a map, that the highest concentration of cases mapped to the houses closest to the pump. Inferring that correlation likely pointed to causation, he had the pump handle removed, and the epidemic ended.
There has been much speculation, much of it politically driven, that COVID-19 originated from a virus that escaped from the Wuhan Institute of Virology. Extensive sequencing data don't support that inference, but now there's epidemiological evidence that also points away from that model and towards the original inference--that COVID-19 originated at the Wuhan wet market. https://jabberwocking.com/new-studies-confirm-that-covid-19-virus-occurred-naturally/?fbclid=IwAR10127J8wMVM24SNGAOqDOnJglLMLo-lLOmUyUPTAMvIGFqzPt_xrhbAr0

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