深圳地区学龄前儿童乙型肝炎病毒免疫观察

目的：了解深圳地区学龄前儿童乙肝炎病毒（HBV）感染情况和免疫水平。方法：ELISA法对1256名在我院进行小学入学体检的儿童HBV血清学标志物（HBVM）检测结果进行统计分析。结果：共检出HBsAg阳性7例，总阳性率为0．56％，其中大三阳（HBsAg,HBeAg,HBcAb同时阳性（5例，小三阳（HBsAg,HBeAb,HBcAb同时阳性）2例，共检出HBsAb阳性841例，总阳性率为66．96％，结论：HBV感染在我院低龄人群中已得得到有效控制。

HBV Immunity of Preschoolers in Shenzhen: An Observation

OBJECTIVE To find out the HBV infection and the immunity level of the preschoolers in the Shenzhen area. METHODS Enzyme linked immunosorbent assay (ELISA) was used . The statistics show the test results of the HBV serology targets (HBVM)of the 1 256 preschoolers during the primary school entrance examination in our hospital. RESULTS Seven cases of positive HBsAg were found, the total positive rate was 0.56%. Among them 5 cases were HBsAg, HBeAg and HBcAb positive and 2 cases were HBsAg, HBeAb and HBcAb positive. A total of 841 cases of positive HBsAb were found, the total positive rate was 66.96%. CONCLUSIONS The HBV infection has been effectively controlled in the low ages group in Shenzhen.