Priyanka and Hari break down the history of poliovirus, how it spreads, and what it actually does to the body, from mild illness to permanent paralysis. They explore how the iron lung, early outbreaks, and decades of medical innovation shaped our understanding of the disease, and how the development of the polio vaccine became one of the greatest public health achievements in history. They address common concerns, misinformation, and the real risks versus risks of vaccination.

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