Genetic evidence gives support to theory COVID originated in Wuhan market

The debate over COVID-19’s origin is focused on two theories, that humans were first infected by a wild animal or that the virus leaked from a lab. Scientists say the natural transmission theory has been strengthened by new genetic evidence from the market in Wuhan, 中国, where there was a big COVID outbreak in December 2019. John Yang discussed the report with Katherine Wu of The Atlantic.

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