A scientific sleuth has identified previously undisclosed genetic data from a food market in Wuhan, China, that may support the theory that coronavirus-infected animals there triggered the COVID19 pandemic.
A scientific sleuth in France has identified previously undisclosed genetic data from a food market in Wuhan, China, that she and colleagues say support the theory that coronavirus-infected animals there triggered the COVID-19 pandemic. Several of the researchers presented their findings on Tuesday to the Scientific Advisory Group for the Origins of Novel Pathogens , an expert group convened last year by the World Health Organization .
Given that the mystery of SARS-CoV-2’s origin has been a matter of intense global interest and divisive debate, the data’s discovery and subsequent disappearance will certainly raise questions about why the Chinese team—which includes the former head of the Chinese Center for Disease Control and Prevention , George Gao—did not make the sequences public earlier. Contacted by, Gao said the sequences are “[n]othing new.
on 25 February 2022 that this “highly suggests” humans brought the virus to the market; Gao and his co-authors said this meant the marketplace was not the origin of the pandemic but simply amplified early spread of SARS-CoV-2.outside China last year that some scientists questioned why a graph in the preprint seemed to show animal sequences had been found in the market’s virus-positive environment samples, but offered no data of their identity. The analysis presented to the WHO panel this week now suggests some coronavirus-positive samples collected contained DNA or RNA from raccoon dogs, civets, and other mammals now known to be highly susceptible to SARS-CoV-2.
“Flo and I have been traveling the same road of being very open to lab-leak ideas, but becoming more and more convinced as more and more evidence comes in that’s just not how it happened, and that it did happen at the Huanan market via the wildlife trade,” Worobey tellsWorobey also attended the SAGO meeting with Andersen and virologist Edward Holmes of the University of Sydney, who captured a picture of a raccoon dog for sale in the Huanan market in 2014.
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