Human brucellosis: seroprevalence and risk factors related to high risk occupational groups in Tanga Municipality, Tanzania |
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Authors: | Swai E S Schoonman L |
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Affiliation: | Veterinary Investigation Centre (VIC), Arusha, Tanzania. esswai@gmail.com |
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Abstract: | The objective of this study was to describe the prevalence of brucellosis in various occupations in Tanga, Tanzania. During the year 2004, serum samples were collected from volunteers in various occupations and screened for brucella antibodies using Rose Bengal Plate Agglutination Test. Information on occupation, kind of work and contacts with livestock was collected and age and sex were recorded. The overall sero prevalence of antibodies to Brucella abortus was 5.52%. One variable in a multivariate regression model was significantly associated with seropositivity to B. abortus: abattoir workers. The prevalence of antibody was significantly higher (P < 0.05) among personnel employed in high-risk jobs such as cutting animal throats and cleaning slaughtered animals parts. None of the other factors investigated was associated with seropositivity to B. abortus. This study documents the serological evidence of B. abortus infection for the first time in abattoir workers in Tanzania. |
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Keywords: | Brucellosis human prevalence risk factors Tanga Tanzania |
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