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Leprosy is a chronic bacterial disease of the skin, nerves in the hands and feet and, in some cases, the lining of the nose. Leprosy is a rare disease in the United States.

Anyone can get leprosy, but children seem to be more susceptible than adults.

It is not clear how the leprosy germ is spread, but household and prolonged close contact is important. The germs probably enter the body through the nose and possibly through broken skin. The germs get in the air through nasal discharge of untreated lepromatous patients.

Tuberculoid leprosy symptoms are a few well-defined skin lesions that are numb. Lepromatous leprosy symptoms are a chronically stuffy nose and many skin lesions and nodules on both sides of the body.

It usually takes about four years for tuberculoid leprosy symptoms to appear and about eight years for lepromatous leprosy symptoms to appear.

In most cases, a person will not infect others after about three months of starting treatment.

There are two medicines that have to be taken once a month for at least two years for patients with lepromatous leprosy. For tuberculoid leprosy, two medicines should be taken once a month for six months.

The best way to prevent the spread of leprosy is the early diagnosis and treatment of people who are infected. For household contacts, immediate and annual examination for at least five years after last contact with a person who is infectious, is recommended

Here is more about the bacteria and how it came to.

It is a bacterial disease.The causative agent is the Mycobacterium leprae known also as Hansen's bacterum, and it is an alcohol-acid, intracellular rod, about 5 m long, and is indistinguishable from other mycobacteria: for example, mycobacterium tubercolosis. It can be stained with the basic fucsin Ziehl-Nielsen method; when it is alive, it is stained in an uniform way,...