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 Inserts cost $1,200-$2,900, with professional installation adding another $600-$1,000. 2  A direct-vent gas fireplace doesn't need a chimney and is a way to add a fireplace where there isn't one. 3  Installation is through an outside wall, and a pipe-within-a-pipe feature lets air in and exhaust out with just one vent.