现代结核病控制策略是以控制传染源为主，即控制痰涂片阳性肺结核病人散播结核菌，以达到控制结核病的流行的目的。关于传染源的监控问题，过去采用年内痰菌阴转数占两次流调间的涂阳患病率年递降率的预测值计算。这种方法是以涂阳患病率为基础的。它又是依靠流行病学抽样... Modern control strategy for tuberculosis is mainly to control the source of infection, that is, to control the spread of tuberculosis bacteria in patients with positive sputum smear-positive tuberculosis in order to achieve the purpose of controlling the prevalence of tuberculosis. On the monitoring of the source of infection, in the past the year of sputum negative conversion accounted for the prevalence of smear prevalence between two predictive value of the rate of decline. This method is based on the prevalence of smear. It again depends on epidemiological sampling ...