Scientists who examined genetic data from samples collected at a market close to where the first human cases of Covid were detected say they found suggestions the pandemic originated from animals. Other experts have not yet verified their analysis.
March 17, 2023, 1:48 PM UTCInternational scientists who examined previously unavailable genetic data from samples collected at a market close to where the first human cases of Covid-19 were detected in China said they found suggestions the pandemic originated from animals, not a lab.
A French biologist spotted the information by chance while scouring the database and shared it with a group of scientists based outside China and looking into the origins of the coronavirus. “The market environmental sampling data published by China CDC is by far the strongest evidence to support animal origins,” Yip told the AP in an email. He was not connected to the new analysis.
But it is also possible that humans might have first brought the virus to the market and infected the raccoon dogs, or that infected humans happened to leave traces of the virus near the animals. He said that if the analysis shows the animal viruses have earlier origins than the ones that infected people, “that’s probably as good evidence as we can expect to get that this was a spillover event in the market.”
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