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 Installation costs about $250-$600 in labor, depending on location and specific site requirements, while materials cost about $200-$300 for a short horizontal vent run through a wall or $600-$800 and up for a roof vent, depending on the area, type and length of vent. Pellet stove inserts cost $1,500-$3,000, depending on size and style details. 2  The units slip into existing fireplace openings and utilize the chimney system for the venting pipe, so no additional openings need to be cut.