为了减少学生中的结核病发病,北京第二外国语学院,自1981年起,对全部入学新生均作结素试验,阴性者接种卡介苗,强阳性反应者实施异菸肼化学预防,每天口服异菸肼300mg,在校医院医务人员监督下坚持服药半年。1981年～1983年共招收新生786人,对其中783人作结素试验。共发现强阳性反应者50人,除一人拒绝 In order to reduce the incidence of tuberculosis in students, Beijing International Studies University (IIBA), since 1981, conducted a pilot test of all freshmen. Negative persons were vaccinated with BCG and strong positive responders were given chemical preventive isoniazid. Oral isoniazid 300mg, under the supervision of hospital medical staff insisted medication for six months. From 1981 to 1983, a total of 786 freshmen were enrolled, of whom 783 were finalists. A total of 50 strong positive reactions were found, except one refused