Where did COVID-19 originate? Saskatoon lab helps with genetic analysis that points to animal market

A team of scientists, including one from Saskatoon, say they have strong evidence the COVID-19 virus jumped from infected animals to humans in a market in Wuhan, China, and didn't originate with a lab leak.A woman walks past the closed Huanan Seafood Wholesale Market in Wuhan, China, in January 2020. Researchers believe COVID-19 likely jumped from infected animals at the market to humans at the start of the pandemic.

The analysis doesn't prove the animals in those areas were infected. However, the proximity of COVID-19 samples to where their DNA was located means it's a strong likelihood they were carriers, according to the study. The team's previous research, alongside other peer-reviewed studies, had determined the Huanan Market as the most likely place where the pandemic jumped to humans, specifically in association with the live animal trade.

The scientists say the new evidence makes the laboratory leak hypothesis incredibly difficult to support.

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Where did COVID-19 originate? Saskatoon lab helps with genetic analysis that points to animal marketWUHAN, CHINA - JANUARY 17: (CHINA OUT) A woman wears a mask while pushing a wheelbarrow past the closed Huanan Seafood Wholesale Market, which has been linked to cases of Coronavirus, on January 17, 2020 in Wuhan, China.
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Newly available COVID-19 origins data could point to raccoon dogs in Wuhan market, study saysWUHAN, CHINA - OCTOBER 2: A woman wearing a face mask walks along a street in front of a closed of Huanan seafood market on October 2, 2021 in Wuhan, Hubei province, China. China is celebrating their 72nd National Day and a week-long holiday known as the 'Golden Week'.
แหล่ง: CBCNews - 🏆 2. / 99 อ่านเพิ่มเติม »