"The Polio Crusade" interweaves the personal accounts of polio survivors with the story of an ardent crusader who tirelessly fought on their behalf while scientists raced to eradicate this dreaded disease. Stream it now on our website and the PBS video app. https://to.pbs.org/3Y8yjYc | American Experience | PBS

Polio once paralyzed hundreds of thousands of children every year, striking fear into families across the world. Thanks to global vaccination efforts, cases have fallen by 99.9% since 1988. But polio is not gone yet. In this episode of Science in 5, we speak with Dr. Jamal Ahmad about why polio eradication still matters, how close the world truly is to ending this disease forever, and what’s at stake if we don’t finish the job. Polio spreads easily, respects no borders, and remains a threat as l