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在中小学生中开展ＰＰＤ(结核菌素 )试验普查工作 ,是有效降低儿童结核病发病率 ,保护儿童健康的关键措施之一。为了解南阳市中小学生肺结核发病情况 ,我们于 1 999年 1 0月对卧龙区 1 4所中小学 1 6 6 88名学生肺结核患病情况进行了调查 ,结果报道如下。1 对象与方法1 .1 对
It is one of the key measures to effectively reduce the incidence of tuberculosis and protect the health of children by carrying out the general survey of PPD (primary tuberculin) among primary and secondary school students. To understand the incidence of pulmonary tuberculosis among primary and secondary school students in Nanyang City, we investigated the prevalence of tuberculosis among 1 6 6 88 students from 14 primary and secondary schools in Wolong district in January of 1999. The results are reported as follows. 1 objects and methods 1.1 pairs