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从1986年至1990年,连续5年来,我们对每年入校的新生进行结核菌素试验(以下简称OT),并对其阴性者进行卡介苗接种,对其阳性者及强阳性者进行追踪观察,现将观察结果及其在防治结核病中的重要性浅析如下: 1 材料和方法:结素是应用1:2000稀释旧结素0.1ml左前臂1/3处皮内注射,48～72小时观察反应。结果判断:硬结直径<5mm者为阴性,硬结直径>5mm者为阳性,硬结直径>20mm或有的还有水泡或溃烂者为强阳性。 2 试验结果:1990—12—24统计结果见表1
From 1986 to 1990, for the fifth consecutive year, we conducted a tuberculin test (hereinafter referred to as OT) for freshmen admitted to the school each year. BCG vaccination was conducted on those who were negative, and their positive and strongly positive persons were followed up. The observation and its importance in the prevention and treatment of tuberculosis are as follows: 1 Materials and Methods: Nodule is the application of 1: 2000 dilution of the old knot 0.1ml left forearm 1/3 intradermal injection, 48 ~ 72 hours to observe the reaction . Results to determine: induration diameter less than 5mm were negative, induration diameter> 5mm were positive, induration diameter> 20mm or some blisters or ulcers were strongly positive. 2 test results: 1990-12-24 statistical results in Table 1