1991年8～10月,我们选择了能代表我市农村的鸣鹤庄,对其人群进行了HBsAg及TTT、ALT两项肝功血清学检查。现将结果报告如下。对象和方法我们对鸣鹤庄1520人检测了HB-sAg及ALT。HBsAg用RpHA法(北京生物制品研究所冻干血球),滴度>1:16判为阳性,≤1:8者做中和试验,抑制试验≥1:8者也判为阳性。ALT(改良法)≥50单位为异常。 From August to October 1991, we chose Ming Hezhuang, who represents the rural areas of our city, and conducted HBsAg, TTT and ALT liver biopsy tests on its population. The results reported below. Subjects and Methods We investigated 1520 people in Hehe Zhuang HB-sAg and ALT. HBsAg with RpHA method (Beijing Institute of Biological Products freeze-dried blood cells), titers> 1:16 sentenced as positive, ≤ 1: 8 to do neutralization test, inhibition test ≥ 1: 8 were also judged as positive. ALT (improved method) ≥50 units are abnormal.