VIDEO | by The Doctors

Is Polio Still a Threat?

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VIDEO DESCRIPTION:
In the United States, polio seems like a disease of the past, but countries like northern Nigeria, northern India and parts ...
of Afghanistan and Pakistan account for more than 75 percent of global polio cases today. Learn how modern medicine has worked to prevent polio through the years, and how it's working to eradicate the disease for good.
Posted: 02/28/2013 | Views: 1,901 | Duration: 04:15
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