EPIDEMIO:UX;ICAL S'IUDY ON RESIDUAL PARALYSIS DUE TO POLICMYELITIS l\MJliG PRIMARY SCHOOL CHIIDREN IN KHARIUJM PROVIOCE
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چکیده
A school lameness survey was done on a sample of primary school children of the age 7 13 years in Khartoum province during late 1982. The main objectives were to calculate the prevalence of residual paralysis due to poliomyelitis among the study population and to evaluate some of the disease determinats such as age of onset; sex, urban rural differences and seasonal variation. The method used depended mainly on screening of lame children by class tutors and a detailed history and medical examination by the investigators. Poliomyelitis was found to be the majour cause of lameness among primary school children in Khartoum province (63% of all causes of lameness). The prevalence of residual paralysis due to poliomyelitis was found to be 3.5/1000. Rural urban and sex differences were statistically not significant. The mean age of onset was 17 months. About a third of the cases seen (67.4%) had their acute attack in winter and 60% of all cases gave a history of one or more injection given shortly before the onset of the paralysis. Key \'VOrds Po l.i.crnve litis; Epidemiology; School; Urban population; Rural Population, Khartoum.
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