Leprosy or Hansen’s disease (HD) is a chronic infectious disease and caused by bacteria Mycobacterium leprae and Mycobacterium lepromatosis.Leprosy is basically a granulomatous disease of mucosa of upper respiratory tract and peripheral nerves. Skin lesions are included in signs and symptoms of leprosy. Leprosy results in damage of peripheral nerves, skin, eyes, testes and mucous membrane of the nose. Leprosy ranges from mild to severe. History of leprosy has been known since biblical times as bible leprosy. The diagnosis of leprosy is suggested by the symptoms of leprosy and is confirmed by a biopsy of the tissues which are affected by leprosy. Read more »