Early trademark of the Chiswick Press. A logo (abbreviation of logotype, from Greek: Î»ÏÎ³Î¿Ï logos word and ÏÏÏÎ¿Ï typos imprint) is a graphic mark, emblem, or symbol commonly used by commercial enterprises, organizations, and even individuals to aid and promote instant public recognition.
Leprosy is a chronic, progressive bacterial infection. It primarily affects the nerves of the extremities, the lining of the nose, and the upper respiratory tract.It is caused by the bacteria Mycobacterium leprae. Leprosy produces skin sores, nerve damage, and muscle weakness if left untreated.It can cause severe disfigurement and significant disability.t primarily affects the nerves of the extremities, the lining of the nose, and the upper respiratory tract. It is caused by the bacteria Mycobacterium leprae. Leprosy produces skin sores, nerve damage, and muscle weakness if left untreated. It can cause severe disfigurement and significant disability.
Mycobacterium leprae, the causative agent of leprosy, was discovered by G. H. Armauer Hansen in Norway in 1873, making it the first bacterium to be identified as causing disease in humans. Hansen observed a number of nonrefractile small rods in unstained tissue sections.ycobacterium leprae, the causative agent of leprosy, was discovered by G. H. Armauer Hansen in Norway in 1873, making it the first bacterium to be identified as causing disease in humans. Hansen observed a number of nonrefractile small rods in unstained tissue sections.