1.防痨接种是建立在后天免疫的现象上。无论是实验观察或流行病学观察或临床观察,都证明有后天免疫的意义。2.苏联和在其他国家所进行的广泛的实验和临床观察,以及苏联实际使用防痨接种三十余年的效果,充分证明了菌苗能够发生预防作用、对人体无害以及使用的效果。3.临床观察证明,在接种的影响下,可改变机体的反应性,具体表现在能使被接种者的原发感染的经过缓和。防痨接种和许多其他因素,能降低结核病的感染率、发病率以及死亡率。4.目前迫切的问题是提高接种效果的问题。因 1. Anti-tuberculosis vaccination is based on the phenomenon of acquired immunity. Whether experimental or epidemiological observation or clinical observation, have proved the significance of acquired immunity. 2. The extensive experimental and clinical observations conducted by the Soviet Union and other countries, as well as the effects of more than thirty years of practical anti-tuberculosis vaccination in the Soviet Union have fully proved that the vaccine can have a preventive effect, that it is harmless to the human body and that it can be used. 3. Clinical observation shows that under the influence of inoculation, can change the body’s reactivity, specifically in the primary infection can be vaccinated to ease. Vaccination and many other factors can reduce the rate of infection, morbidity and mortality of tuberculosis. 4. The pressing issue at the moment is raising the vaccination effect. because