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1989年3～9月,我站应用反向被动血凝方法对6所小学,2492名在校学生和260名18～20岁1989年应征兵源乙型肝炎表面抗原感染情况进行了调查,现将结果报告如下:一、调查方法1、选点:选择县城内3所小学和距县城30公里的3所农村小学,比较其差异。2、检测方法:每人采静脉血2毫升,分离血清,用反向被动血凝(RPHA)法检测乙肝表面抗原(HBsAg),≥16为阳性,试剂为北京生研所生产。批号:8834—
From March to September 1989, I investigated the situation of hepatitis B surface antigen infection in 6 primary schools, 2,492 current students and 260 recruits from 18 to 20 years of age in 1989 by reverse passive hemagglutination test. The results are reported as follows: I. Survey Methods 1. Choosing Points: Three primary schools in the county seat and three rural primary schools 30 km from the county seat are selected to compare their differences. 2, detection method: Each person collected venous blood 2 ml, serum was separated by reverse passive hemagglutination (RPHA) method to detect hepatitis B surface antigen (HBsAg), ≥ 16 positive, reagents for the Beijing Institute of Health produced. Batch number: 8834-