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[目的 ]了解儿童乙肝病毒感染现状 ,为进一步开展乙肝疫苗接种工作提供依据。 [方法 ] 2 0 0 3年底对新沂市 5个镇 1992～ 2 0 0 0年出生的 1681名儿童进行调查。 [结果 ]检测儿童 1681人 ,HBsAg阳性率为 3 2 7% ;各镇、各年龄组儿童HBsAg的阳性率有差异 ;儿童乙肝疫苗接种率为 98 99% ,及时接种率为 5 0 0 %。母亲HBsAg阳性与阴性的子女HBsAg阳性率分别为 79 17%、2 6 42 %。[结论 ]新沂市儿童的HBsAg阳性率有下降趋势 ,但乙肝疫苗及时接种率很低 ,阻断母婴传播仍是控制乙肝的重要措施。
[Objective] To understand the status of hepatitis B virus infection in children and provide basis for further hepatitis B vaccination. [Method] By the end of 2003, 1681 children born from 1992 to 2000 in 5 towns of Xinyi City were investigated. [Results] The positive rate of HBsAg in children was 1681, and the positive rate of HBsAg was 37.2%. The positive rates of HBsAg in children of all age groups and towns were different. The vaccination rate of children with hepatitis B was 98.99% and the timely vaccination rate was 500%. The HBsAg positive rates of maternal HBsAg positive and negative children were 79 17% and 26 42% respectively. [Conclusion] The positive rate of HBsAg in children in Xinyi City is on the decline, but the timely vaccination rate of hepatitis B vaccine is very low. It is still an important measure to control the transmission of hepatitis B by blocking the mother-to-child transmission.