Assessing and mitigating the risks of wild poliovirus outbreaks in polio-free African countries, January 2012– July 2013.
D000349:Africa / Q000453:epidemiology; D002675:Child, Preschool; D060740:Disease Eradication; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007223:Infant; D032541:Mass Vaccination; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control* / Q000821:virology; D017955:Poliovirus; D011159:Population Surveillance; D018570:Risk Assessment