Why Hasn't the World Eradicated Polio? - Council on Foreign Relations

The world is inching closer to eradicating polio, but armed conflicts and opposition to vaccines stand in the way of finally eliminating the disease.

Introduction Once endemic in more than one hundred countries, polio today has a foothold in just two: Afghanistan and Pakistan. At its peak, the infectious disease killed or paralyzed hundreds of th… [+13340 chars]

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