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Schistosomiasis in infants and preschool-aged children : infection in a single Schistosoma haematobium and a mixed S. haematobium - S. mansoni foci of Niger

Garba, A. and Barkire, N. and Djibo, A. and Lamine, M. S. and Sofo, B. and Gouvras, A. N. and Bosque-Oliva E., and Webster, J. P. and Stothard, J. R. and Utzinger, J. and Fenwick, A.. (2010) Schistosomiasis in infants and preschool-aged children : infection in a single Schistosoma haematobium and a mixed S. haematobium - S. mansoni foci of Niger. Acta tropica : Zeitschrift für Tropenwissenschaften und Tropenmedizin = revue des sciences tropicales et de médecine tropicale = review of tropical science and tropical medicine, Vol. 115, H. 3. S. 212-219.

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Official URL: http://edoc.unibas.ch/dok/A5843015

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Abstract

The burden of schistosomiasis in infants and preschool-aged children and their mothers is poorly known. We carried out a cross-sectional epidemiological survey in two villages in Niger: Falmado is endemic for Schistosoma haematobium only, whereas a mixed S. haematobium-S. mansoni focus has been reported from Diambala. The survey examined 282 children (149 girls, 133 boys, average age: 2.6 years) and 224 mothers (average age: 30.1 years). For S. haematobium diagnosis, two urine samples obtained on consecutive days were subjected to the standard urine filtration method. Additionally, macro- and microhaematuria were determined. The diagnosis of S. mansoni was based on a single stool sample with duplicate Kato-Katz thick smears. In Diambala, a standardised, pre-tested questionnaire was administered to mothers, which recorded demographic data, treatment history with anthelminthic drugs, household sanitation and water supply, and bathing practices for their children. Prevalence of egg-patent S. haematobium infections among young children and their mothers was respectively 50.5% and 55.6%, in Falmado, and 60.5% and 72.2% in Diambala. The prevalence of S. mansoni infection in Diambala was 43.8% among children and 52.1% in mothers. Mixed egg-patent infections of S. haematobium and S. mansoni were revealed in 28.6% of the children and 37.3% of the mothers. Questionnaire data showed that 69.8% of the children were accompanied by their mothers to schistosomiasis transmission sites before they were 1 year of age, and that three-quarter of the mothers used water directly drawn from the irrigation canals to wash their children. To conclude, a substantive proportion of children below the age of 5 years had egg-patent schistosomiasis, inclusive of co-infection with S. haematobium and S. mansoni. In the context of schistosomiasis control, more attention should be paid on preschool-aged children and women of childbearing age, so that they can benefit from preventive chemotherapy which in turn might increase effective coverage of those infected
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Eco System Health Sciences > Health Impact Assessment (Utzinger)
UniBasel Contributors:Utzinger, Jürg
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:Elsevier Science Publ.
ISSN:0001-706X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:19
Deposited On:14 Sep 2012 06:51

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