title: Public health. Type 2 poliovirus back from the dead in Nigeria.
authors: Leslie
authors: L
authors: Roberts
mesh_terms: D002648:Child; D004196:Disease Outbreaks; D006801:Humans; D032541:Mass Vaccination; D009154:Mutation; D009549:Nigeria / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control / Q000821:virology*; D017955:Poliovirus / Q000235:genetics / Q000276:immunology / Q000472:pathogenicity; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage
chemical_list: D011055:Poliovirus Vaccine, Oral