天津列车段的列车员每年结核病阳性检出率都在3％左右,因此列为高发人群观察点。本文对列车员在列车上进行了调查探索。调查方法:随机抽样成人旅客85名取痰,每一份痰液标本同时分别作厚涂片镜检和接种培养,结果5名阳性,检出率为5.88％。预防措施:各车箱内空气细菌数量平均值为65cm~2)未开窗前宿营车最多为308,餐车最少为91。开窗后平均降低500％,故开窗通风换 Tianjin train section of the annual positive rate of tuberculosis detection rate is about 3%, so as a high incidence of crowd observation point. In this paper, the conductor conducted a survey on the train. Survey Methods: Random sampling of 85 adult tourists to take sputum, sputum samples for each at the same time were thick smear microscopy and inoculation culture, the results of 5 were positive, the detection rate was 5.88%. Preventive measures: the average number of bacteria in the air within the car was 65cm ~ 2) not open the window up to 308 caravans, dining car at least 91. Average 500% lower after opening the window, so ventilation for the window