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![The Vaccine That Vanished [RSSCOM]](https://podcast-api-images.s3.amazonaws.com/corona/show/7020616/logo_300x300.png)
By M
In 1955, Polish scientist Hilary Koprowski developed the first polio vaccine - three years before Salk. But when a key lab assistant disappeared with the culture samples, the breakthrough vanished
... moreThe podcast currently has 1 episodes available.
The podcast currently has 1 episodes available.