Leprosy or Hansen’s disease has a long incubation period

files 300x200 Leprosy or Hansen’s disease has a long incubation period

The knee's skin affected with Leprosy



The disease Leprosy or Hansen’s disease (HD), is a chronic, which it found, causing by the bacteria Mycobacterium leprae and Mycobacterium lepromatosis. It name gave the German physician Gerhard Armauer Hansen. Leprosy is primarily a granulomatous disease of the peripheral nerves and mucosa of the upper respiratory tract; skin lesions are the primary external sign. Left untreated, leprosy can be progressive, causing permanent damage to the skin, nerves, limbs and eyes. Contrary to folklore, leprosy does not cause body parts to fall off, although they can become numb or diseased as a result of infection; infection results in tissue loss, so fingers and toes become shortened and deformed as the cartilage is absorbed into the body.


images2 Leprosy or Hansen’s disease has a long incubation period

Leg's skin affected with Hanson's disease or Leprosy

Common leprosy symptoms include muscle weakness, skin stiffness, a skin rash, and eye problems. Although the mode of transmission of Hansen’s disease remains uncertain, most investigators think that M. leprae is usually spread from person to person in respiratory droplets. Studies have shown that leprosy can be transmitted to humans by armadillos. Leprosy is now known to be neither sexually transmitted nor highly infectious after treatment. Approximately 95% of people are naturally immune and sufferers are no longer infectious after as little as 2 weeks of treatment.

Is Leprosy Contagious 300x199 Leprosy or Hansen’s disease has a long incubation period

The Leprosy is real contagious disease, transmitted by direct physical contact


The minimum incubation period reported is as short as a few weeks and this is based on the very occasional occurrence of leprosy among young infants. The maximum incubation period reported is as long as 30 years, or over, as observed among war veterans known to have been exposed for short periods in endemic areas but otherwise living in non-endemic areas. It is generally agreed that the average incubation period is between three and five years.

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