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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Rice irrigation and schistosomiasis in savannah and forest areas of Côte d'Ivoire
Acta Tropica, Volume 93, No. 2, Year 2005
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Description
Prevalence and intensity of infection of Schistosoma haematobium and Schistosoma mansoni were studied in relation to irrigated rice cultivation in Côte d'Ivoire. Urine and stool samples were collected from 4 to 15-year-old children in 24 villages in the savannah zone and 21 villages in the forest zone. Villages were classified according to surrounding inland valleys into three agro-ecosystems: (R2) full or partial water control allowing two rice cycles per year; (R1) no or partial water control allowing one harvest per year and (R0) absence of rice growing. In the savannah zone, S. haematobium prevalence was 4.8%, 2.3% and 0.7% and S. mansoni prevalence was 16.1%, 11.9% and 2.1% in R2, R1 and R0, respectively. In the forest zone, S. haematobium prevalence was 0.9%, 4.4% and 1.7% and S. mansoni prevalence was 61.3%, 46.6% and 17.5% in R2, in R1 and R0, respectively. Prevalences of S. mansoni adjusted for village effects were significantly different between agro-ecosystems in both zones. Significance of differences between agro-ecosystems of S. haematobium infection were strongly influenced by outlying villages. In savannah rice growing villages, negative binomial regression on infection intensity of each species showed significant positive relations to the surface of rice cultivated inland valleys, whereas uncultivated inland valleys showed no significant relation. However, in forest rice growing villages, S. mansoni infection intensity showed significant positive relations to the surface of uncultivated inland valleys, whereas surface water on rice cultivated land showed significant negative relations with infection intensity of each schistosomiasis species. © 2004 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Yapi, Yapi G.
Cote D'ivoire, Bouake
University of Bouake
Briët, Olivier J.T.
Cote D'ivoire, Abidjan
Africarice
Sri Lanka, Colombo
International Water Management Institute Iwmi Colombo
Diabaté, Salia
Cote D'ivoire, Bouake
University of Bouake
Vounatsou, P.
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Akodo, E.
Cote D'ivoire, Abidjan
Africarice
Tanner, Marcel
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Teuscher, Thomas M.
Cote D'ivoire, Abidjan
Africarice
Statistics
Citations: 53
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1016/j.actatropica.2004.11.005
ISSN:
0001706X
Research Areas
Environmental
Infectious Diseases
Maternal And Child Health
Study Design
Cross Sectional Study
Study Locations
Ivory Coast