Seroprevalence Of Brucellosis In Livestock And Human In Asayita And Mille Districts Of Afar Region Ethiopia

Brucellosis is one of the neglected infectious zoonotic diseaseswith a serious public health importance worldwide. In pastoralist communities of Ethiopia, brucellosis is a major public health problem and has serious economic impact on livestock sectors. A cross-sectional study was conducted from November 2017 to April 2018 in one-health approach to estimate he sero prevalence and associated risk factors of brucellosis in livestock (cattle, camel, sheep and goats) and human in Mille and Asayita districts, Afar Region. A total of 562 livestock (goats, sheep, cattle and camel) and 172 human sera from pastoralists who own these livestock were tested using indirect/competitive ELISA. Based on the result, the overall seroprevalence of brucellosis in livestock (small ruminants, cattle and camel) was 9.07% [95% CI=6.6-11.45]. The highest seroprevalence was recorded in cattle 16.67% [95%CI:9.3-24] while the lowest seroprevalence was observed in camels 3.7% [95%CI: 0.4-7.9]. The differences in sero positivity between livestock species in study area were statistically significant (p=0.014). Other risk factors (districts and sex) did not show a statistically significant difference between the categories (p>0.05). On the other hand, the overall sero prevalence of human brucellosis in the pastoralist livestock owner was 48.8% [95%CI: 41.2- 56.3] using indirect ELISA test. Higher human brucellosis sero prevalence was recorded in Mille district (63.1%) than Asayita (35.2%).

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