Acute flaccid paralysis surveillance, 1992.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D003906:Developing Countries; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D007223:Infant; D009123:Muscle Hypotonia / Q000453:epidemiology / Q000517:prevention & control; D010243:Paralysis / Q000453:epidemiology* / Q000517:prevention & control; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D011159:Population Surveillance; D015030:Zimbabwe / Q000453:epidemiology