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Evidence and experts to help you understand today’s public health news—and what it means for tomorrow.

Nov 22, 2021

SARS-CoV-2, like other zoonotic diseases, originated in animals before “spilling over” into humans. Dr. Raina Plowright of Montana State University studies these events and the complex series of things that have to happen for them to take place. Dr. Plowright talks with Dr. Josh Sharfstein about how these occur, why these events are relatively rare, and what’s important to understand about them so we can learn how to prevent them from happening.