Ebola hinders polio surveillance

Polio surveillance in countries affected by the Ebola virus decreased in 2014 compared with 2013, according to poliovirus surveillance data for Africa and the Eastern Mediterranean region, the 2 World Health Organization (WHO) regions with endemic wild poliovirus (WPV) transmission. Polio outbreaks occurred in the Horn of Africa, in Central Africa, and in the Middle East during 2013 to 2014.

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