Infection caused by bacteria of the genus brucella mainly involving the mononuclear phagocyte system. this condition is characterized by fever, weakness, malaise, and weight loss.

Brucellosis is a zoonosis caused by ingestion of unpasteurized milk from infected animals, or close contact with their secretions. It is also known as undulant fever, Malta fever, and Mediterranean fever. The bacteria causing this disease, Brucella, are small, Gram-negative, nonmotile, nonspore-forming, rod-shaped (coccobacilli) bacteria...