Brucellosisis caused by various bacteria in the genus brucella, which affectcattle, goats, pigs, sheep, and some other animals. It leads toabortion, later permanently reduced fertility and chronically loweredmilk yields in affected animals.

Brucellosisis transmitted to people via direct contact with livestock or throughdrinking unpasteurized milk from an infected animal. The main symptomin people is recurrent bouts of high temperature, hence its othername “undulant fever” and it tends to be misdiagnosed as drugresistant malaria.

Preventionand control measure includes animal vaccination and health educationon pasteurization of milk and its products, and treatment of cases bydoxycycline.