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Animal spillover? Lab leak? What the science says about the origins of COVID-19

Science · en

Animal spillover? Lab leak? What the science says about the origins of COVID-19

NPR · Jul 29, 2026, 11:02 PM UTC

The release of Dr. Anthony Fauci's pandemic diaries has rekindled the debate over the origins of SARS-CoV-2. Here's how scientists have weighed in.