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WHO Discounts Idea that SARS-CoV-2 Leaked from a Lab

An investigation by the World Health Organization into the origins of COVID-19 will instead focus on the virus’s animal origins and the possibility of spread through frozen foods.

Written byKerry Grens
| 2 min read
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Investigators from the World Health Organization on a mission in China to track down the roots of the COVID-19 pandemic report that the prevailing hypothesis—that SARS-CoV-2 originated in an animal host and worked its way, possibly through intermediate hosts, to humans—is supported by their evidence.

An alternative proposal that the virus came from a lab is “extremely unlikely,” Peter Ben Embarek, the WHO’s food safety and animal disease specialist and chair of the investigative team, tells The Guardian. It “isn’t a hypothesis we suggest implies further study. . . . There had been no publication or research of this virus or one close to this virus, anywhere in the world.”

For nearly a month, Embarek’s team has been in Wuhan, China, where COVID-19 was first noticed in late 2019. The Huanan Seafood Market in Wuhan had been identified as a common factor in the early ...

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Meet the Author

  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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