Mar 31, 2023 · Leprosy, also known as Hansen’s disease, is a chronic infectious disease caused by Mycobacterium leprae. The disease affects the skin, the peripheral nerves, mucosal surfaces of the upper respiratory tract and the eyes. Leprosy is known to occur at all ages ranging from early childhood to old age.
Hansen’s disease (also known as leprosy) is an infection caused by bacteria called Mycobacterium leprae. These bacteria grow very slowly and it may take up to 20 years to develop signs of the infection. The disease can affect the nerves, skin, eyes, and lining of the nose (nasal mucosa).
CDC Hansen’s Disease (Leprosy) Diagnosis and Treatment How is the disease diagnosed? Hansen’s disease can be recognized by appearance of patches of skin that may look lighter or darker than the normal skin. Sometimes the affected skin areas may be reddish. Loss of feeling in these skin patches is common.