Table 1:

Brucella species and infections caused

Organism	Animal reservoir	Geographic distribution
Brucella melitensis	Goats, sheep, camels	Mediterranean, Asia, Latin America, parts of Africa and some southern European countries
Brucella abortus	Cows, buffalo, camels, yaks	Worldwide
Brucella suis	Pigs (biotype 1–3)	South America, Southeast Asia, United States
Brucella canis	Canines	Cosmopolitan
Brucella ovis	Sheep	No known human cases
Brucella neotomae	Rodents	Not known to cause human disease
Brucella pinnipediae and Brucella cetaceae	Marine animals, minke whales, dolphins, seals	Case reports describing some human cases (mainly neurobrucellosis)