Prevalence of Schistosoma intercalatum and S. haematobium Infection among Primary Schoolchildren in Capital Areas of Democratic Republic Of São Tomé and Príncipe, West Africa

TB Chu; CW Liao; YC Huang; YT Chang; ASRJ Costa; DD Ji; T Nara; A Tsubouchi; Peter WS Chang; WT Chiu; CK Fan

Iranian Journal of Parasitology (Mar 2012)

Prevalence of Schistosoma intercalatum and S. haematobium Infection among Primary Schoolchildren in Capital Areas of Democratic Republic Of São Tomé and Príncipe, West Africa

TB Chu,
CW Liao,
YC Huang,
YT Chang,
ASRJ Costa,
DD Ji,
T Nara,
A Tsubouchi,
Peter WS Chang,
WT Chiu,
CK Fan

Affiliations

TB Chu: School of Health Care Administration, College of Public Health & Nutrition, Taipei Medical University, Taipei, Taiwan
CW Liao: Dept. of Parasitology, College of Medicine, Taipei Medical University, Taipei, Taiwan AND Dept. of Molecular and Cellular Parasitology, Juntendo University School of Medicine, Tokyo, Japan
YC Huang: Dept. of Parasitology, College of Medicine, Taipei Medical University, Taipei, Taiwan
YT Chang: Taiwan Medical Mission in São Tomé, Democratic Republic of São Tomé and Príncipe
ASRJ Costa: Ministry of Health and Social Affairs, Democratic Republic of São Tomé and Príncipe
DD Ji: Laboratory of Parasitic Diseases, Center for Diseases Control, Dept. of Health, Taipei, Taiwan
T Nara: Dept. of Molecular and Cellular Parasitology, Juntendo University School of Medicine, Tokyo, Japan
A Tsubouchi: Dept. of Molecular and Cellular Parasitology, Juntendo University School of Medicine, Tokyo, Japan
Peter WS Chang: School of Public Health, College of Public Health & Nutrition, Taipei Medical University, Taipei, Taiwan
WT Chiu: Dept. of Neurosurgery, School of Medicine, Taipei Medical University, Taipei, Taiwan
CK Fan: Dept. of Parasitology, College of Medicine, Taipei Medical University, Taipei, Taiwan AND Center for International Tropical Medicine, Taipei Medical University, Taipei, Taiwan AND Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan

Journal volume & issue: Vol. 7, no. 1

Abstract

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Background: A parasitological survey of Schistosoma haematobium and S. intercalatum infection among primary schoolchildren in capital area of Democratic Republic of São Tomé and Príncipe (DRSTP) was undertaken. Methods: Subjects with positive infection were confirmed by the detection of S. haematobium ova in the urine or S. intercalatum ova in the stool by using centrifugation concentration or merthiolate-iodine-formalin concentration method. Totally, 252 urine and stool samples, respectively, were obtained from apparently healthy schoolchildren, of which 121 from boys (9.8 ± 1.4 yr) and 131 from girls (9.7 ± 1.3 yr). Results: None of participating schoolchildren were found having S. haematobium ova in the urinary specimen. While, among 4 primary schools studied, only schoolchildren from Saint Marçal were detected with S. intercalatum ova in the fecal specimen, making the overall prevalence of S. intercalatum infection among schoolchildren was 2.4% (6/252) and girls had insignificantly higher prevalence (3.1%, 4/131) than that (1.7%, 2/121) in boys (χ2 = 0.5, P = 0.5). Conclusion: Water control and sanitation as well as snails eliminated by molluscicides are urgently needed to reduce S. intercalatum infection in DRSTP inhabitants.

Published in Iranian Journal of Parasitology

ISSN: 1735-7020 (Print); 2008-238X (Online)
Publisher: Tehran University of Medical Sciences
Country of publisher: Iran, Islamic Republic of
LCC subjects: Medicine: Internal medicine: Infectious and parasitic diseases
Website: http://ijpa.tums.ac.ir

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