Progress towards poliomyelitis eradication.
D000810:Angola / Q000453:epidemiology; D003140:Communicable Disease Control / Q000458:organization & administration*; D015023:Democratic Republic of the Congo / Q000453:epidemiology; D005002:Ethiopia / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D009549:Nigeria / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral; D011159:Population Surveillance; D014944:World Health Organization
D011055:Poliovirus Vaccine, Oral