title: From the Centers for Disease Control and Prevention. Progress toward poliomyelitis eradication--Ethiopia, Somalia, and Sudan, January 2001-October 2002.
mesh_terms: D005002:Ethiopia / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D010264:Paraplegia / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D017955:Poliovirus / Q000302:isolation & purification; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D012998:Somalia / Q000453:epidemiology; D013397:Sudan / Q000453:epidemiology
chemical_list: D011055:Poliovirus Vaccine, Oral