The Seattle Times

YAHYA ARHAB / EPA
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Monday, May 5, 2014

UN: Spread of polio now a world health emergency

A Yemeni child receives an oral polio vaccine during an anti-polio campaign at a slum area in Sana'a, Yemen. The rising spread of the polio virus across borders constitutes an international health emergency that should be countered with immunization programs, the World Health Organization (WHO) declared Monday.