title: Assessing and mitigating the risks of outbreaks due to wild poliovirus in polio-free African countries, 2013– 2014.
mesh_terms: D000349:Africa / Q000453:epidemiology; D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control* / Q000821:virology; D011159:Population Surveillance / Q000379:methods; D018570:Risk Assessment