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What Happened in Wuhan? Why Questions Still Linger on the Origin of the Coronavirus

A lack of transparency from Chinese officials and looming geopolitical consequences have damaged the credibility of a WHO-led inquiry into how the virus that causes COVID-19 originated. Lesley Stahl reports.

This past Friday, a long-anticipated — and much-debated — report by the World Health Organization was delayed again. It was supposed to be a kind of post mortem on a trip to China by a WHO-led team of international scientists which took place earlier this year.

The question: how did SARS-CoV-2, the virus that causes COVID-19, originate? Among the leading theories examined: was it accidentally leaked from a lab in Wuhan or did it come from infected animals in a wet market there?

The WHO inquiry was far from comprehensive, because, as it has done since the beginning of the outbreak, the Chinese government withheld information.

Jamie Metzl: I wouldn't really call what's happened now an investigation. It's essentially a highly-chaperoned, highly-curated study tour.