Tip - 8 Things You May Not Know About Jonas Salk and the Polio Vaccine

Published 9 years, 4 month(s) ago | Submitted by William Heurdier

On the centennial of Jonas Salk’s birth, explore eight surprising facts about the groundbreaking polio vaccine that he developed.

For further reading: http://www.history.com/news/8-things-you-may-not-know-about-jonas-salk-and-the-polio-vaccine

Posted: 9 years, 4 month(s) ago

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