Prevalence of schistosomes and soil-transmitted helminths and morbidity associated with schistosomiasis among adult population in lake Victoria basin, Tanzania

Julius E. Siza, Godfrey M. Kaatano, Jong Yil Chai, Keeseon S. Eom, Han Jong Rim, Tai Soon Yong, Duk Young Min, Su Young Chang, Yunsuk Ko, John M. Changalucha

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Abstract

The objective of this study was to carry out a community survey on schistosomiais and soil-transmitted helminth (STH) infections in order to suggest feasible and effective intervention strategies in Lake Victoria basin, Tanzania. A total of 37 communities selected from 23 districts of the 4 regions in the Lake Victoria basin of Tanzania were involved in the study. From each of the selected locality, 50 adult community members, 25 males and 25 females, were recruited for the study. Each study participant was requested to submit stool and urine specimens. From each stool specimen, duplicate Kato-Katz thick smears were prepared and microscopically examined for Schistosoma mansoni and STH eggs. Urine specimens were processed by the filtration technique and microscopically examined for Schistosoma haematobium eggs. Ultrasound examination for morbidity due to schistosomiasis was performed. Mass treatment was done using praziquantel and albendazole for schistosome and STHs infections, respectively. Out of 1,606 adults who provided stool specimens, 199 (12.4%) were positive for S. mansoni, 349 (21.7%) for hookworms, 133 (8.3%) for Ascaris lumbricoides, and 33 (2.0%) for Trichuris trichiura. Out of 1,400 participants who provided urine specimens, 25 (1.8%) were positive for S. haematobium eggs. Because of the co-endemicity of these afflictions and their impact on vulnerable population groups, the helminthiasis could be simultaneously treated with 2 drugs, praziquantel for schistosomiasis and albendazole for STHs.

Original languageEnglish
Pages (from-to)525-533
Number of pages9
JournalKorean Journal of Parasitology
Volume53
Issue number5
DOIs
Publication statusPublished - 2015 Oct

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases

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