Refugee crisis in Pakistan heightens fears of polio's spread

Posted: June 29, 2014 at 3:27 a.m.

Displaced Pakistani tribal people wait for relief aid Friday in Bannu, an area officials say is ripe for the spread of polio but also a good place to immunize thousands of people.

The rugged Pakistani region of North Waziristan emerged as a hotbed of polio infections after Taliban militants in the isolated area banned immunizations.

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