PBS NewsHour

Genetic evidence supports theory COVID originated in market

Clip: 03/17/2023 | 6m 14s  | Video has closed captioning.

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, China, where there was a big COVID outbreak in December 2019. John Yang discussed the report with Katherine Wu of The Atlantic.

Aired: 03/17/23

Rating: NR

Problems Playing Video? | Closed Captioning

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