Covid origin studies say evidence points to Wuhan market
Scientists say there is “compelling evidence” that Wuhan’s Huanan seafood and wildlife market was at the centre of the Covid-19 outbreak.
Two peer-reviewed studies published on Tuesday re-examine information from the initial outbreak in the Chinese city.
One of the studies shows that the earliest known cases were clustered around that market.
The other uses genetic information to track the timing of the outbreak.
It suggests there were two variants introduced into humans in November or early December 2019.
Together, the researchers say this evidence paints a picture that Sars-Cov-2 was present in live mammals that were sold at Huanan market in late 2019. They say it was transmitted into people who were working or shopping there in two separate “spillover events”, where a human contracted the virus from an animal. [Continue reading…]