a study of some factors influencing the epidemiology of urinary schistosomiasis at ifakara (kilombero district, morogoro region, tanzania).some factors influencing the epidemiology of urinary schistosomiasis were studied at ifakara between 1978 and 1980. ifakara is situated in the fertile plain of the kilombero river in the south-eastern part of tanzania. the overall prevalence of schistosoma haematobium infection among primary school children (6-19 years) in the ifakara agglomeration was 21% (730/3478). the highest prevalence was observed in both sexes in the age group 15-19 years. distinct variations in prevalence were found betw ...19836138972
controlling schistosomiasis: the cost-effectiveness of alternative delivery strategies.sustainable schistosomiasis control cannot be based on large-scale vertical treatment strategies in most endemic countries, yet little is known about the costs and effectiveness of more affordable options. this paper presents calculations of the cost-effectiveness of two forms of chemotherapy targeted at school-children and compares them with chemotherapy integrated into the routine activities of the primary health care system. the focus is on schistosoma haematobium. economic and epidemiologica ...199410139471
screening of tanzanian women of childbearing age for urinary schistosomiasis: validity of urine reagent strip readings and self-reported symptoms.the screening of women of childbearing age for haematuria, leukocyturia and proteinuria to detect urinary schistosomiasis can be confounded by several factors such as menstruation, pregnancy and genitourinary infections. we therefore undertook a study in an area endemic for schistosoma haematobium in the united republic of tanzania to carry out the following: assess the sensitivity, specificity and predictive values--in women of childbearing age--of indirect indicators of urinary schistosomiasis ...200010885183
observations on the transmission of schistosoma haematobium and schistosoma bovis in the lake region of tanganyika.previous investigations have shown that in the lake region of sukumaland, tanganyika, where schistosoma haematobium is highly endemic, bulinus (physopsis) nasutus is responsible for the transmission of that schistosome in small, temporary rain pools. this area is one of low rainfall, and large artificial reservoirs are the chief source of water in the dry season. the role of these reservoirs in s. haematobium transmission was studied over a period of about a year.previous work in south africa ha ...196414277260
the relationship between prevalence of schistosoma haematobium infection and different morbidity indicators during the course of a control programme on pemba island.a long-term schistosomiasis control programme was initiated on pemba island, tanzania in 1986 with the aim of eliminating morbidity due to schistosoma haematobium infection. the programme used haematuria as a community indicator of morbidity for surveillance and for identifying individuals for selective population chemotherapy. analysis of the first 3 evaluation studies showed that the prevalence of microhaematuria was linearly related to the prevalence of infection, and that visually detectable ...19979509169
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