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Major-General Sir David Bruce (May 29 1855 - November 27, 1931) was a Scottish pathologist and microbiologist. He studied medicine at the University of Edinburgh. He joined the Army Medical Service (1883-1919) and in 1884 was stationed in Malta, where he identified Malta Fever. In 1903 he identified the causative protozoa, and tsetse fly as the vector, of African trypanosomiasis (sleeping sickness). He won the Leeuwenhoek Medal in 1915. He was elected a Fellow of the Royal Society and was knighted in 1908. Brucella is the genus of the Bacteriaceae which is named after him. Brucella melitensis is the cause of undulant fever in man and of abortion in goats. It is usually transmitted by goat's milk. Trypanosoma brucei, the cause of sleeping sickness, is also named after him. He died in 1931 at the age of 76.
