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[目的]调查我区城镇居民HBsAg携带率和乙肝感染率,14岁以下乙肝疫苗接种率,评价我区乙肝计划免疫管理工作的效果,为制定科学免疫策略提供依据。[方法]采用多级抽样的方法抽取青羊区城区4个社区943名1～59岁人群进行的乙肝血清流行病学调查。采集调查对象静脉血2～4ml,用ELISA法对标本进行HBsAg、HBsAb、HB-cAb检测。[结果]调查人群HBsAg、HBV感染率分别是6.64%、28.31%。14岁以下人群乙肝疫苗接种率94.70%。[结论]成都市青羊区2002年开展乙肝疫苗接种以来,人群乙肝流行病学特征发生了改变,HBsAb阳性率、HBV感染率均有不同程度的下降,15岁以下儿童下降更为明显。
[Objective] To investigate the HBsAg carrier rate and hepatitis B infection rate of urban residents in our district, the vaccination rate of hepatitis B vaccines under 14 years old, evaluate the effect of hepatitis B program immunization management in our district, and provide basis for formulating scientific immunization strategies. [Methods] A total of 943 people aged 1-59 in 4 communities in the urban area of Qingyang District were enrolled in this study. Venous blood samples were collected 2 ~ 4ml, ELISA samples were detected HBsAg, HBsAb, HB-cAb detection. [Results] The prevalence of HBsAg and HBV in the investigated population was 6.64% and 28.31% respectively. Hepatitis B vaccination rate of 94.70% of people under 14 years of age. [Conclusion] The epidemiological characteristics of hepatitis B in population have changed since hepatitis B vaccination was carried out in Qingyang District of Chengdu in 2002. The positive rate of HBsAb and the rate of HBV infection all decreased to some extent, and the decrease of children under 15 years old was more obvious.