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Brucellosis is an infectious, contagious zoonotic disease which is spread worldwide, caused by bacteria of the genus Brucella. Brucellae are facultative intracellular parasites of the reticuloendothelial system and is characterised by wave-like variations in the body temperature of afflicted victims. It was formerly known as Mediterranean fever, Malta fever or undulant fever. Its modern name bears tribute to Sir David Bruce, the military physician who discovered the aetiologic agent, Brucella melitensis. The disease primarily affects cattle, sheep, goats, swine and dogs. The different Brucella spp. includes B. melitensis, Brucella abortus, Brucella canis and Brucella suis, and their preferential hosts are sheep/goats, cattle/bison, dogs and pigs, respectively. However, cross-species infections can occur; for example cattle can be affected by both B. abortus and B. melitensis at the same time [Abdussalam and Fein (1976 …