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卡介苗接种是预防结核病的主要措施之一,已列入我国儿童计划免疫规划中。为了解卡介苗复种效果,于1985年11月至1986年2月,对港湾区286名学生进行了观察对象和方法对象:按广州地区计划免疫的规定,选择黄埔港湾小学一年级和初中二年级初种过卡介苗的286名学生作为卡介苗复种对象。项目: 1.结核菌素(以下简称结素)试验:用1:2000稀释旧结素0.1ml(相当5单位)按常规于左前臂掌侧中央皮内注射,72小时后检查局部反应,硬结平均值在5毫米以下为阴性,5毫米以上为阳性反应,20毫米以上或局部出现水泡、坏死、淋巴管炎者为强阳性反应。
BCG vaccination is one of the main measures to prevent tuberculosis and has been included in our national plan for childhood immunization. In order to understand the effect of BCG multiplication, from November 1985 to February 1986, 286 students in Harbor Area were observed and targeted. According to the plan immunization in Guangzhou, Huangpu Harbor Primary School and the second grade of junior high school 286 BCG-vaccinated students were treated as BCG vaccination. Project: 1. tuberculin (hereinafter referred to as knot element) test: 1: 2000 dilution of the old knot 0.1ml (equivalent to 5 units) routinely in the left forearm palmar central intradermal injection, 72 hours after the local reaction, induration The average of 5 mm below the negative, 5 mm above the positive reaction, 20 mm or more local blisters, necrosis, lymphangitis were strong positive reaction.