The Global Poliomyelitis Eradication Initiative: number of endemic countries at lowest ever.
D000569:Americas / Q000453:epidemiology; D002675:Child, Preschool; D019353:Endemic Diseases / Q000517:prevention & control / Q000706:statistics & numerical data*; D005060:Europe / Q000453:epidemiology; D005260:Female; D014943:Global Health; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D007115:Immunization Schedule; D015994:Incidence; D007223:Infant; D008297:Male; D010139:Pacific Islands / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D014944:World Health Organization
D011055:Poliovirus Vaccine, Oral