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Entries - Entry Category: Microbiology - Starting with C

Clegg, Moses Tran

Bacteriologist Moses Tran Clegg attracted international attention in 1909 when he reportedly became the first person to grow the leprosy bacillus in a laboratory. It was hoped that this breakthrough would lead to a vaccine to treat leprosy, also called Hansen’s disease, an infectious, disfiguring, and incurable disease caused by the bacillus Mycobacterium leprae. In addition to this achievement, Clegg also did research for the U.S. government on bubonic plague, amoebic dysentery, infantile paralysis, and cholera, and he coauthored scholarly bulletins on such bacteriological subjects as leprosy, amoebas, and parasitic protozoa. Born on September 1, 1876, in Red Bluff (Jefferson County) to Joseph T. Clegg, who was an allopathic doctor, and Ida Daugherty Clegg, Moses Clegg received his primary education …