Progress towards poliomyelitis eradication in Angola and the Democratic Republic of the Congo, January 2002--June 2003.
D000293:Adolescent; D000810:Angola / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D015023:Democratic Republic of the Congo / Q000453:epidemiology; D004196:Disease Outbreaks / Q000517:prevention & control; D005260:Female; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D008297:Male; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*