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Definition of leprosy
- 1a contagious disease that affects the skin, mucous membranes, and nerves, causing discoloration and lumps on the skin and, in severe cases, disfigurement and deformities. Leprosy is now mainly confined to tropical Africa and Asia. Also called Hansen's disease.
- Leprosy is caused by the bacterium Mycobacterium leprae, which is Gram-positive, non-motile, and acid-fast