Examining COVID-19's Origins

The Trump administration has advanced the theory the coronavirus began as a lab accident, but scientists who research bat-borne coronaviruses disagree. Speaking with NPR, ten virologists and epidemiologists say the far more likely culprit is zoonotic spillover⁠—transmission of the virus between animals and humans in nature. We explain how zoonotic spillover works and why it's more plausible than a lab accident.

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