Theory That COVID Came From A Chinese Lab Takes On New Life In Wake Of WHO Report

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Members of the World Health Organization team investigating the origins of the coronavirus leave the Wuhan Institute of Virology in Wuhan, China, on Feb. 3.

Some scientists worry the possibility the coronavirus escaped from research facilities hasn't gotten enough scrutiny. Others say it appears far more likely to have emerged naturally.

(Image credit: Hector Retamal/AFP via Getty Images)