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   How does leprosy spread?

   • The disease is transmitted through droplets from the nose and mouth. Prolonged, close contact over months with someone with untreated leprosy is needed to catch the disease. The disease is not spread through casual contact with a person who has leprosy like shaking hands or hugging, sharing meals or sitting next to each other.

   Leprosy - World Health Organization (WHO)

   www.who.int/news-room/fact-sheets/detail/leprosy

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   Where does leprosy come from?

   • Leprosy is reported from all the six WHO Regions; the majority of annual new case detections are from South-East Asia. Leprosy is an age-old disease and is described in the literature of ancient civilizations. It is a chronic infectious disease which is caused by a type of bacteria called Mycobacterium leprae.

   Leprosy - World Health Organization (WHO)

   www.who.int/news-room/fact-sheets/detail/leprosy

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   Is leprosy a bacterial infection?

   • Leprosy is a chronic, progressive bacterial infection caused by the bacterium Mycobacterium leprae. It primarily affects the nerves of the extremities, the skin, the lining of the nose, and the upper respiratory tract. Leprosy is also known as Hansen’s disease. Hansen’s disease produces skin ulcers, nerve damage, and muscle weakness.

   Leprosy: Symptoms, Pictures, Types, and Treatment - Healthline

   www.healthline.com/health/leprosy

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2. my.clevelandclinic.org › health › diseasesLeprosy (Hansen's Disease): Causes, Symptoms & Treatment

   my.clevelandclinic.org › health › diseases

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   May 18, 2022 · Leprosy (also called Hansen’s disease) is an infectious disease caused by the bacteria Mycobacterium leprae (my-co-bak-TEER-ee-um LEP-pray). It can affect your eyes, skin, mucous membranes and nerves, causing disfiguring sores and nerve damage. Leprosy has been around since ancient times.

3. www.who.int › news-room › fact-sheetsLeprosy - World Health Organization (WHO)

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   Jan 27, 2023 · Leprosy is diagnosed by finding at least one of the following cardinal signs: (1) definite loss of sensation in a pale (hypopigmented) or reddish skin patch; (2) thickened or enlarged peripheral nerve, with loss of sensation and/or weakness of the muscles supplied by that nerve; (3) microscopic detection of bacilli in a slit-skin smear.

4. www.webmd.com › skin-problems-and-treatmentsLeprosy: Causes, Symptoms, and Treatment - WebMD

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   Sep 14, 2023 · Leprosy is an infectious disease that causes severe, disfiguring skin sores and nerve damage in the arms, legs, and areas around your body.

5. www.healthline.com › health › leprosyLeprosy: Symptoms, Pictures, Types, and Treatment - Healthline

   www.healthline.com › health › leprosy

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   Sep 14, 2018 · Causes and transmission. Types. Diagnosis. Treatment. Complications. Prevention. Outlook. Also known as Hansen disease, leprosy is a bacterial infection that affects your skin, limbs, nose,...

   • Author: Maureen Donohue

6. www.cdc.gov › leprosyAbout Hansen's Disease (Leprosy) | Hansen's Disease (Leprosy ...

   www.cdc.gov › leprosy

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   Apr 11, 2024 · Hansen's disease is caused by slow-growing bacteria called Mycobacterium leprae and Mycobacterium lepromatosis. The disease can affect the nerves, skin, eyes, and lining of the nose. In some cases, body parts may lose their sense of touch and pain, increasing the likelihood of injuries such as cuts and burn.

7. www.cdc.gov › leprosy › causesHow Hansen's Disease Spreads | Hansen's Disease (Leprosy) | CDC

   www.cdc.gov › leprosy › causes

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   Apr 15, 2024 · Hansen's disease likely spreads when a person sick with the disease coughs or sneezes, and a healthy person breathes in the droplets containing the bacteria. Hansen's disease does not spread easily between people. Most people cannot get Hansen's disease. Around 95 percent of people cannot be infected because their immune system can fight off ...

8. www.aad.org › contagious-skin-diseases › leprosyLeprosy still occurs in the United States: Are you at risk?

   www.aad.org › contagious-skin-diseases › leprosy

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   How do people get leprosy? Leprosy, also called Hansen’s disease, is a contagious disease. One way it spreads is from person to person. Even so, it’s actually hard to catch. According to the Centers for Disease Control and Prevention (CDC), about 95% of humans are immune to the bacteria that cause this disease 1.