Risk factors and infectivity in tuberculosis

Abstract

To know, the riks factors and infectivity of tuberculosis are important step to be controlled. The major risk factors of tuberculosis are source of infection, amount and virulans of organism. Genetic, physiological, environmental and immunological factors and habits like alcohol, smoking are the most important personal factors to be known in tuberculosis. The incidence of tuberculosis is increased in diabetes mellitus, silicosis, rubella, AIDS. Contaminaton of tuberculosis is generally occured by patient with active tuberculosis. Rarelly, tuberculosis exposured by contaminated milk, bruised skin and conjunctiva in medical instrumentation. Vertical and sexual transmission were also reported.