结核病是一种严重危害人类健康的传染性疾病,虽然曾经在一定时期内得到有效控制,但最近10年来,全球结核病发病率和患病率逐年上升,据世界卫生组织估计,全球有近20亿人口感染过结核菌,其中有结核病患者2000多万。每年新发结核病人达800万人以上,每年约200万人死于结核病[1]。2000年全国结核病流行病学调查结果显示我国约有5.5亿人感染结核病,感染率为44.5%,涂阳病人约150万,总之,结核病已成为一种严重的公共卫生问题。 Although tuberculosis is a contagious disease that seriously endangers human health, although it has been effectively controlled for a certain period of time, the incidence and prevalence of tuberculosis in the world have risen year by year in the recent 10 years. According to the World Health Organization, nearly 2 billion Mycobacterium tuberculosis infection, of which more than 20 million patients with tuberculosis. More than 8 million new TB cases are newly diagnosed each year, and about 2 million people die from tuberculosis each year [1]. According to the national epidemiological survey of tuberculosis in 2000, about 550 million people were infected with tuberculosis in China, with an infection rate of 44.5% and about 1.5 million smear-positive patients. In conclusion, tuberculosis has become a serious public health problem.