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The Oral Polio Vaccine Can Go 'Feral'

The oral polio vaccine may go down in history as one of the most powerful public health tools of modern times. Developed by Albert Sabin in 1961, the vaccine is cheap, easy to administer and has pushed polio to the brink of extinction. http://www.npr.org/sections/goatsandsoda/2015/11/10/455348658/the-oral-polio-vaccine-can-go-feral-but-who-vows-to-tame-it #FullNewsAudioAvailable #NPR

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