Leprosy is also known as Hansen's disease after G. A. Hansen, who in 1878 identified the bacillus Mycobacterium leprae that causes the disease. The infection is characterized by abnormal changes of the skin. These changes, called lesions, are at first flat and red.eprosy is a slowly progressing bacterial infection that affects the skin, peripheral nerves in the hands and feet, and mucous membranes of the nose, throat, and eyes.
1 As a very general estimate, installing gas line costs $20 to $30 per foot. 2  In some areas and circumstances, however, the price could be $75 per foot or more. 3  This price should include the costs of trench digging and all necessary permits, drawings, and inspections.
1 With all needed parts and labor, hiring a plumber to install a traditional gas water heater costs $300-$3,500 or more, depending on capacity (with 40 or 50 gallons the most common sizes); length of warranty (typically 5-12 years); and the amount of repairs required to meet current building codes.