西宁市人群乙型肝炎血清流行病学研究

目的]了解西宁地区乙型病毒性肝炎流行现状。方法]采用多阶段整群随机抽样的方法,对西宁市1～60岁以上各年龄组的自然人群,每个年龄段随机抽取200人,共2125人进行乙肝病毒感染血清学检测。结果]西宁地区调查人群HBsAg阳性率、抗HBc阳性率、抗HBs阳性率分别为4.56%、19.36%、29.75%;1~14岁儿童HBsAg阳性率为1.74%,15岁以上人群HBsAg阳性率为5.61%;农村HBsAg阳性率高于城区;藏族HbsAg阳性率高于汉族等民族;农民、工人的HBsAg阳性率明显高于其他职业。结论]加强新生儿(尤其是少数民族农村地区)乙肝疫苗免疫接种依然是今后乙肝疫苗预防工作的重点。

SEROEPIDEMIOLOGICAL STUDY OF HEPATITIS B IN XINING

Objective] To learn the current epidemic situation of hepatitis B in city of Xining. Methods] Multi-stage clustered random sampling method was performed to select population at the age of 1 to 60 years old, and in each age group, we selected 200 people. A total of 2125 people were selected to conduct virus infection detection for hepatitis B. Results] The positive rates of HBsAg, anti-HBc and anti-HBs were 4.56%, 19.36% and 29.75%, respectively; The positive rate of HBsAg in children at the age of 1 to 1...