肺结核病是一种慢性呼吸道传染病,被称为白色瘟疫。20世纪50年代以来,随着多种抗结核药物的问世,结核病的流行得到了一定的控制。但是近些年来,由于各种原因,该病的发病率和死亡率开始回升。据专家介绍,一例未经治疗的肺结核病人就是一个传染源,每年可通过空气传染15～20名健康人。目前全球每1秒钟就会产生一名新的感 Tuberculosis is a chronic respiratory disease known as the White Plague. Since the 1950s, with the advent of a variety of anti-tuberculosis drugs, the prevalence of tuberculosis has been controlled. However, in recent years, morbidity and mortality have started to pick up for various reasons. According to experts, an untreated tuberculosis patient is a source of infection, and 15 to 20 healthy people can be infected by air every year. Currently every 1 second of the world will have a new feeling