Polio a world crisis, WHO says
Spread from three countries called a threat to eradication try
Posted: May 6, 2014 at 4:36 a.m.
PARIS — Alarmed by the spread of polio from conflict zones, the World Health Organization declared an international health emergency on Monday in an effort to contain the paralyzing virus, which officials thought two years ago had been nearly eradicated.
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Front Section, Pages 6 on 05/06/2014