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Free Content Infant schistosomiasis in Ghana: a survey in an irrigation community

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We used a rapid, visually read, field applicable monoclonal antibody (MoAb)-dipstick assay for specific diagnosis of urinary schistosomiasis together with microscopy to determine the prevalence of infant schistosomiasis in a community in the Awutu-Efutu Senya District in the Central Region of Ghana. The study group consisted of 97 infants (51 males and 46 females) aged 2 months to 5 years. A total of 75 of 97 (77.3%) subjects submitted stool samples; none had Schistosoma mansoni. Three individuals (3.1%) had hookworms but there were no other intestinal helminths. The urinary schistosomiasis prevalence by MoAb-dipstick (30%) was higher (P < 0.05) than that estimated by microscopy (11.2%). However, three of nine (33.3%) microscopically confirmed cases tested MoAb-dipstick positive after pre-treatment of the urine specimen with heat. The youngest infant to be found infected with S. haematobium microscopically was 4 months old. Fifteen of 71 S. haematobium egg negative individuals tested dipstick positive, giving a dipstick specificity of 78.9% as compared with microscopy as gold standard test. The relative sensitivity of the dipstick was 100%.

Keywords: Infant schistosomiasis; dipstick; monoclonal antibody; urinary schistomiasis

Document Type: Research Article


Affiliations: 1:  Parasitology Unit, Noguchi Memorial Institute for Medical Research, Legon, Ghana 2:  Applied Science Department, Accra Polytechnic, Accra, Ghana 3:  Asian Centre for International Parasite Control, Mahidol University, Bangkok, Thailand 4:  Department of Medical Zoology, Medical School, Nagoya City University, Nagoya, Japan

Publication date: August 1, 2004


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