The Internet has been teeming with theories about the origin of the coronavirus. Scientists have been saying for more than three months that it most likely originated in a species of bat found in the south of China, and then managed to somehow jump into people. But alternative explanations have been floated. United States Secretary of State Mike Pompeo has repeatedly blamed China, and specifically a laboratory in Wuhan that was researching dangerous viruses. Jason Gale talked to a World Health Organization scientist to tease out the most plausible explanation for where the virus came from.

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