Evidence for the Occurrence of Schistosoma intercalatum at Albert Nile in Northern Uganda

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  • Uganda Virus Research Institute, Institute of Medical Parasitology, University of Bonn, Department of Paediatrics and Child Health, Makerere University, Natural History Museum, Entebbe, Uganda

During a field investigation in Rhino Camp at Albert Nile in northern Uganda, 77.8% of 636 persons excreted Schistosoma mansoni ova that were detected by the Kato-Katz method. Six patients, 8–17 years of age, had terminally spined schistosome eggs in their stools. These findings were confirmed when preserved specimens were examined at the Institute of Medical Parasitology in Bonn using a concentration technique. The mean ± SD length of 36 terminally spined eggs was 156 ± 6 µm and the mean ± SD width was 59 ± 3.6 µm. Urine filtration in the study patients revealed no schistosome eggs in the urine. It is concluded that these findings provide evidence for the occurrence of S. intercalatum at Albert Nile in northern Uganda.

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