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WHO declares polio 'public health emergency'

May 5, 2014
AFP / Powered by
The World Health Organization warned Monday that polio has reemerged as a public health emergency, after new cases of the crippling disease began surfacing and spreading across borders from countries like Syria and Pakistan. Duration: 00:44 Video provided by AFP
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October 28, 2016

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updated 12:56 pm ET