Encore: The Polio Vaccine | The Fight Goes On | 3

In 1955, the world received its first viable polio vaccine, courtesy of Jonas Salk. He was hailed as a hero until kids started to fall sick with polio. A bad batch of vaccines was thought to be the culprit. But it was also an opening for a scientist with a competing vision. Albert Sabin warned of the dangers of Salk’s vaccine from the start. The final clash between the two vaccines, and the two scientists, is the true story of how polio was conquered.  Note: This episode originally ran in October 2018.   Listen ad-free on Wondery+ here Support us by supporting our sponsors! Policy Genius - policygenius.com Express VPN - expressvpn.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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DNA science. Artificial intelligence. Smartphones and 3D printers. Science and technology have transformed the world we live in. But how did we get here? It wasn’t by accident. Well, sometimes it was. It was also the result of hard work, teamwork, and competition. And incredibly surprising moments.Hosted by bestselling author Steven Johnson (“How We Got To Now”), American Innovations uses immersive scenes to tell the stories of the scientists, engineers, and ordinary people behind the greatest discoveries of the past century.Listen to American Innovations on the Wondery App or wherever you get your podcasts. You can binge all episodes ad-free on Wondery+. Join Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial by visiting https://wondery.com/links/american-innovations/ now.