American science writer David Quammen discusses his prescient 2012 book, 'Spillover: Animal Infections and the Next Human Pandemic.' David explores how dangerous viruses 'spillover' from animals into humans, and why they have been occurring more and more since the 1960s. He also tells us how we knew a pandemic like the COVID-19 was coming, why the warnings were ignored, and what we can do to prevent the next viral pandemic. Broadcast on 5 May 2020.
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