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中央民族学院的学员来自全国各地的五十多个民族。其中藏族学员占20％左右。学生入学前后均进行体检(包括胸部X线检查),健康者方能入学。该校学生入学前一般未接种过卡介苗,入学后的接种工作是近几年来逐渐开展的。75级至80级入学新生共做结核菌素试验3,063人,其中阴性反应(硬结平均直径在5mm以下)1,247人,阴性率为40.7％。如除外年岁较大的干训部学员,则阴性率高达50.3％。说明有一半学员需要接种卡介苗加以保护。我们对阴性反应者均接种了卡介苗。 1977年在校学生为1,782人,一年中新发现结核病109人,发病率为61.2‰。与我区该年集体单位结核病人新登记率1％。相比高60倍,说明这是一次流行。上述109例病人病型分类:原发结核38人,胸膜
The students of the Central Institute for Nationalities came from over 50 ethnic groups across the country. Among them, Tibetan students account for about 20%. Before and after the students are admitted to the medical examination (including chest X-ray examination), healthy before entering school. The school students are generally not vaccinated before the BCG vaccination, post-admission vaccination gradually carried out in recent years. A total of 3,063 tuberculin test patients were enrolled in the classes 75 to 80. Among them, 1,247 were negative (average induration less than 5 mm), with a negative rate of 40.7%. For example, except for older trainees, the negative rate is as high as 50.3%. Explain that half of trainees need to be vaccinated with BCG for protection. Negative responders were vaccinated against BCG. 1,782 students were enrolled in 1977 and 109 new cases of tuberculosis were found in a year, with a prevalence of 61.2 per thousand. And my district collective units of tuberculosis new registration rate of 1%. Compared to 60 times higher, indicating that this is a popular. The 109 cases of the patient type classification: 38 primary tuberculosis, pleura