FILE - In this Tuesday, May 6, 2014 file photo, a Pakistani mother looks on as health worker gives a polio vaccine to a child in Rawalpindi, Pakistan. Pakistani officials say hundreds of parents have ... more 
FILE - In this Tuesday, May 6, 2014 file photo, a Pakistani mother looks on as health worker gives a polio vaccine to a child in Rawalpindi, Pakistan. Pakistani officials say hundreds of parents have been arrested in recent days because they refused to allow vaccinators to give their children the polio vaccine. Feroz Shah, a spokesman for the Peshawar district administration, says 471 people have been arrested. (AP Photo/B.K. Bangash, File) less 
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Associated Press | Photo By B.K. Bangash, File
Mon, Mar 2, 2015 11:27 AM EST