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85年1月我站从84年10月进行卡介苗接种的102,678名15岁以下儿童中随机抽样1,021人,进行结核菌素试验阳转率调查。其中40人登记不清未做统计,实统计981人,现对此调查分析如下: 一、对象与方法 (一)小学一年级学生,年龄为8～9岁,每乡抽一个班,每班抽40～50人。 (二)全县统一表格登记、统一标准要求、统一调查方法。
In January 1985, a total of 1,021 out of 102,678 children under 15 years of age who had undergone BCG vaccination in October of 84 were randomized to conduct a survey on the positive rate of tuberculin test. Among them, 40 people are registered with unclear statistics and there are 981 actual statistics. The survey and analysis are as follows: I. Objects and Methods (I) First grade primary school students, aged from 8 to 9 years old, have a class in each township, each class Pumping 40 to 50 people. (B) the county unified form registration, unified standards, unified survey method.