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  1. Leprosy - World Health Organization (WHO)

    Jan 24, 2025 · Leprosy, also known as Hansen disease, is a chronic infectious disease caused mainly by a type of bacteria called Mycobacterium leprae. The disease affects the skin, the peripheral …

  2. Leprosy (Hansen disease) - World Health Organization (WHO)

    Apr 1, 2025 · Leprosy, also known as Hansen disease, is a chronic infectious disease caused mainly by a type of bacteria called Mycobacterium leprae. The disease affects the skin, the peripheral nerves, …

  3. Leprosy WPRO - World Health Organization (WHO)

    Oct 2, 2025 · Leprosy, also known as Hansen’s disease, is a chronic disease caused by the bacillus Mycobacterium leprae.

  4. Leprosy (Hansen disease) - World Health Organization (WHO)

    Leprosy is a chronic infectious disease caused by Mycobacterium leprae. The disease mainly affects the skin, the peripheral nerves, mucosa of the upper respiratory tract, and the eyes. If left untreated, it …

  5. Leprosy (Hansen's Disease) - National Institute of Allergy and ...

    Nov 15, 2022 · Leprosy (Hansen's Disease) is a chronic infectious disease that primarily affects the peripheral nerves, skin, upper respiratory tract, eyes, and nasal mucosa (lining of the nose).

  6. Leprosy (Hansen disease) - PAHO/WHO | Pan American Health …

    Dec 15, 2025 · Leprosy is a chronic infectious disease caused by the bacteria Mycobacterium leprae, also known as Hansen’s bacillus. The disease progress is very slow, with an average incubation …

  7. Leprosy SEARO - World Health Organization (WHO)

    Mar 6, 2025 · Leprosy is an infectious disease caused by Mycobacterium leprae, an acid-fast, rod-shaped bacillus. The disease mainly affects the skin, the peripheral nerves, mucosa of the upper …

  8. Global leprosy (Hansen disease) update, 2021: moving towards ...

    Sep 8, 2022 · Leprosy is a neglected tropical disease (NTD) caused by Mycobacterium leprae. Since the introduction of multidrug therapy (MDT), the registered prevalence has decreased substantially, from …

  9. Global leprosy (Hansen disease) update, 2022: new paradigm – control …

    Sep 14, 2023 · Leprosy is a neglected tropical disease (NTD) caused by Mycobacterium leprae. Since the introduction of multidrug therapy (MDT), the registered prevalence has decreased substantially, …

  10. Message for World Leprosy Day 2025 - World Health Organization …

    January 26, 2025, is World Leprosy Day. As we mark this day, I ask you to turn your thoughts towards all those suffering from leprosy, also known as Hansen’s disease.