全球有17亿人感染结核菌,每年新生患者数约800万其中30万患者的发病可能与人类免疫缺陷病毒(HIV)感染有关;800万新增患者中2/3在亚洲[1]。每年死于结核病者约300万,其99%在发展中国家;第三世界15～60岁人口的死亡原因中,结核患者占1/4之多。肺结核占结核病的极大部分,是当今最 Mycobacterium tuberculosis is infected with 1.7 billion people globally, and the number of newly diagnosed patients is about 8 million each year. The incidence of 300,000 of these patients may be related to the human immunodeficiency virus (HIV) infection; 2/3 of the 8 million new patients are in Asia [1]. About 3 million people die each year from tuberculosis, 99% of whom are in developing countries. Of the third-cause deaths among people aged 15-60 in the world, tuberculosis accounts for as much as a quarter of all deaths. Tuberculosis accounts for a large part of tuberculosis, is the most today