近年来,我市儿童和青少年甲肝发病十分普遍。为掌握甲肝感染情况,制订防制对策,我们于1990年3月对本市汉族和少数民族正常人群抗-HAV 水平进行了调查。现将结果报告如下。调查对象按分层随机抽样方法,抽取本市天山区、沙衣巴克区、乌鲁木齐县1～65岁汉族和少数民族正常人群(少数民族中维吾尔族占90%以上),同时采集一定数最的脐带血。 In recent years, our city children and adolescent hepatitis A incidence is very common. In order to master the situation of hepatitis A infection and formulate measures for prevention and control, we investigated the anti-HAV levels of Han and ethnic minority population in our city in March 1990. The results reported below. According to the stratified random sampling method, the survey population was drawn from Han people from 1 to 65 years old in Urumqi and Shayakeiku, normal population of ethnic minority in Urumuqi County (more than 90% of Uygur ethnic minorities), and collected a certain number of the most Cord blood.