自从实施义务兵役制以来,每年均有大批农村青年应征入伍。不少战士未受过结核感染。对这些青年战士作结核菌素试验,一方面可以了解入伍前后结核感染情况,另一方面为卡介苗预防接种作好了准备。作者们于1957年1月至3月对6050名新入伍的战士(简称新战士)及3362名入伍已满1—2年的战士(简称“老战士”)进行结核菌素试验(简称结素试验)。兹将材料分析如下: Since the implementation of compulsory military service, a large number of rural youth have been enlisted each year. Many soldiers have not been infected with tuberculosis. Making tuberculin tests on these young soldiers can help us understand the TB infection before and after enlistment and on the other hand prepare for BCG vaccination. From January to March 1957, the authors conducted a tuberculin test on 6,050 newly recruited warriors (referred to as “new fighters”) and 3,362 newly recruited soldiers aged 1-2 years (“the veterans” for short) Knot test). The material will be analyzed as follows: