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Schistosoma mansoni infection and risk factors among the fishermen of Lake Hawassa, southern Ethiopia

Published online by Cambridge University Press:  06 March 2019

Tadesse Menjetta ,
Serkadis Debalke  and
Daniel Dana
Tadesse Menjetta
Affiliation:
Southern Nations, Nationalities & Peoples Regional Health Bureau, Hawassa Health Science College, Hawassa, Ethiopia
Serkadis Debalke
Affiliation:
School of Medical Laboratory Sciences, Faculty of Health Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
Daniel Dana*
Affiliation:
School of Medical Laboratory Sciences, Faculty of Health Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
*
*Corresponding author. Email: danidana2000@gmail.com
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Abstract

Schistosomiasis is a neglected tropical parasitic disease caused by different species of genus Schistosoma. Schistosoma mansoni causes a severe intestinal parasitic infection of high public and medical importance in Ethiopia. This study aimed to determine the prevalence of, and risk factors for, S. mansoni infection among the fishermen of Lake Hawassa, southern Ethiopia, using a cross-sectional study design. A total of 243 fishermen were selected from the Hawassa Town Fishermen Association’s list in 2013. Data on socio-demographic characteristics and risk factors were collected from the fishermen using semi-structured questionnaires. Stool samples were collected and processed using the Kato–Katz thick smear technique. The overall prevalence of S. mansoni among the fishermen was 29.21% and the mean intensity of infection was 158.88 eggs per gram (EPG). The overall prevalence of intestinal helminths, including S. mansoni, was 69.54%. Similar prevalences of S. mansoni were recorded in age groups 15–19, 20–24 and 25–29 years: 31.82%, 31.75% and 31.94%, respectively. Fishermen who swam a minimum of once a week in Lake Hawassa were 2.92 times (95% CI: 1.554, 5.502) more likely to have acquired S. mansoni infection than those who swam in the lake less than once a week. The results indicate moderate endemicity of S. mansoni infection among the fishermen of Lake Hawassa. These fishermen could be a potentially high-risk group for S. mansoni infection and might be responsible for the transmission of infection to other segments of the community visiting the lake for recreation. Moreover, a high prevalence of soil-transmitted helminths (STHs) was recorded among the fishermen. Integrated prevention and control strategies for schistosomiasis and STHs by different sectors are needed to tackle this problem.

Keywords

S. mansoniFishermen, Lake Hawassa
Type
Research Article
Information
Journal of Biosocial Science , Volume 51 , Issue 6 , November 2019 , pp. 817 - 826
Copyright
© Cambridge University Press, 2019 

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