title: Progress towards poliomyelitis eradication, Nigeria, January 2011– September 2012.
mesh_terms: D002675:Child, Preschool; D060740:Disease Eradication; D006801:Humans; D015994:Incidence; D007223:Infant; D032541:Mass Vaccination; D009549:Nigeria / Q000453:epidemiology; D010264:Paraplegia / Q000453:epidemiology / Q000517:prevention & control; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control* / Q000821:virology; D017955:Poliovirus / Q000235:genetics; D011055:Poliovirus Vaccine, Oral; D011159:Population Surveillance; D017422:Sequence Analysis, DNA
chemical_list: D011055:Poliovirus Vaccine, Oral