For much of human history, polio was absolutely terrifying. People weren't sure how it spread, they had no idea how to treat it, and they realized anyone could be infected. This changed with the emergence of polio vaccination, which was considered, for the most part, a massive success. But the rush to get this treatment finalized and out to the public led to one of the worst vaccine disasters in human history: investigators quickly learned the polio vaccine was actually giving people polio. Tune in to learn more.
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