title: Outbreak news. Poliomyelitis, Niger.
mesh_terms: D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D032541:Mass Vaccination; D009548:Niger / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D017955:Poliovirus; D011159:Population Surveillance