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1999年9月至12月对全市在校中小学生及教师进行了结核病感染及发病情况调查。1 对象及方法1.1 对象 全市在校的中、小学生及教师。1.2 方法 首先由县乡两级防保人员对辖区内的普查对象进行结核菌素试验观察。结素试验采用5单位ＰＰＤ0.1ｍｌ左前臂皮内注射,48—96小时观察
September 1999 to December in the city’s primary and secondary school students and teachers conducted a survey of tuberculosis infection and incidence. 1 objects and methods 1.1 object The city’s primary and secondary school students and teachers. 1.2 Methods First, by county and township level two anti-insured personnel within the jurisdiction of the census subjects tuberculin test observation. Knot test using 5 units PPD0.1ml intradermal injection of the left forearm, 48-96 hours observation