268 How did the COVID-19 pandemic begin?

<p><strong>Dr. David Relman,</strong> a professor of medicine and microbiology at Stanford, talks with <strong>Dr. Josh Sharfstein</strong> about his view that more investigation is needed into the origins of the SARS-CoV-2 pandemic. Dr. Relman also explains why stronger controls on research that involves pathogens with pandemic potential are urgently needed.</p>