Brucellosis is an infectious disease caused by the
Brucella bacteria. These bacteria are primarily passed among animals, and they cause disease in many different vertebrates. Various Brucella species affect sheep, goats, cattle, deer, elk, pigs, dogs, and several other animals. Humans become infected by coming in contact with animals or animal products that are contaminated with these bacteria.
In humans, brucellosis can cause a range of symptoms that are similar to the flu and may include fever, sweats,
headaches, back pains, and physical weakness. Severe infections of the central nervous systems or lining of the heart may occur. Brucellosis can also cause long-lasting or chronic symptoms that include recurrent fevers, joint pain, and
fatigue.
Acute brucellosis may begin with mild flu-like symptoms or with fever, chills, sweating, muscle aches (
myalgia), joint aches and malaise. Usually, fever occurs every afternoon to levels around 104 degrees Fahrenheit. Other symptoms may include weakness, weight