Seroprevalence and risk factors for brucellosis amongst livestock and humans in a multi-herd ranch system in Kagera, Tanzania.

Yet, the logistic regression indicated that age was a highly significant risk factor for cattle ( Table 2D ), where older animals are more likely to test seropositive compared to younger animals (OR = 5.23, CI [2.70–10.10]); age was not significant for small ruminants.

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