Seroepidemiology of Human Brucellosis Among Blood Donors in Southern Ethiopia: Calling Attention to a Neglected Zoonotic Disease

Bereket Workalemahu Medical Laboratory Technology Team, Arba Minch College of Health Sciences, Arba Minch, Ethiopia.

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Tsegaye Sewunet Department of Laboratory Science and Pathology, Jimma University, Jimma, Ethiopia.

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Ayalew Astatkie School of Public and Environmental Health, College of Medicine and Health Sciences, Hawassa University, Hawassa, Ethiopia.

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Human brucellosis is neglected in southern Ethiopia. Although traditional food processing practices and animal husbandry which increase the risk of brucellosis are common, it has not been properly studied yet. This study was conducted to determine the seroepidemiology of brucellosis among apparently healthy individuals in southern Ethiopia. In the study, blood samples were collected to screen for serum agglutinins reactive to stained antigen of Brucella abortus. Standard tube titration was performed for reactive serum to determine the titer of the agglutinin. A structured questionnaire was used to collect data on possible risk factors for brucellosis. The seroprevalence of human brucellosis in this study was found to be 10.6% (95% confidence interval = 7.0, 14.0). Possession of domestic ruminant animals, contact with ruminant animals, and husbandry practices at home were associated with seropositivity. The higher seroprevalence of human brucellosis in the study area needs attention and additional confirmatory investigation.

Author Notes

* Address correspondence to Bereket Workalemahu, Medical Laboratory Technology Team, Arba Minch College of Health Sciences, Arba Minch, Ethiopia. E-mail: bekicho@gmail.com

Financial support: The study was conducted by a competitive small grant obtained from Arba Minch College of Health Sciences for the project package “serology of acute febrile diseases.”

Authors' addresses: Bereket Workalemahu, Medical laboratory Technology Team, Arba Minch College of Health Sciences, Arba Minch, Ethiopia, E-mail: bekicho@gmail.com. Tsegaye Sewunet, Department of Laboratory Science and Pathology, Jimma University, Jimma, Ethiopia, E-mail: tsegishs2010@gmail.com. Ayalew Astatkie, School of Public and Environmental Health, College of Medicine and Health Sciences, Hawassa University, Hawassa, Ethiopia, E-mail: ayalewastatkie@gmail.com.

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