Polio: The Dread Disease - a podcast by iHeartRadio

from 2021-01-31T22:10:42.023393

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Polio was a terrifying threat in the early 20th century: It often left victims paralyzed or dead. Yet two vaccines caused an immediate drop in polio cases and today they've nearly eradicated the disease. But what exactly happened? Tune in to find out.
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