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Did COVID come from a lab?
The earliest known cases clustered around the Huanan market, and virus-positive samples tracked with stalls selling live mammals. The authors say the upstream events remain unknown. The debate is live on the show.
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Receipt
Worobey M, et al. The Huanan Seafood Wholesale Market in Wuhan was the early epicenter of the COVID-19 pandemic. Science. 2022;377:951-959. doi:10.1126/science.abp8715
No figure redrawn for this paper. The key result is in the answer above, the citation links to the source.