武汉市近10年1~3岁儿童乙型肝炎疫苗接种率和乙型肝炎病毒表面抗原携带率调查及发病率分析

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目的 了解武汉市近10年1~3岁儿童乙型肝炎(乙肝)疫苗接种率、乙肝病毒表面抗原(HBsAg)携带率及孕产妇乙肝病毒(HBV)感染等情况。方法 采用分层多阶段随机抽样法将全市分为两层(城区和郊区) ,分别于1992、1994、1999、2 0 0 3年分4次对适龄儿童进行了调查,共调查2 2. 4 3名儿童。结果 随着郊区乙肝疫苗接种工作的加强和深入,城郊差距逐渐缩小。儿童HBsAg携带率从1992年的9 0. 9%下降到2 0 0 3年的1 2. 9% ,下降了85 81% ;乙肝病毒表面抗体(抗 HBs)阳性率从1992年的4 2 . 4 2 %上升到2 0 0 3年的83 19%。2 0 0 3年调查显示:HBsAg携带率、抗 HBs阳性率城郊差异无显著的统计学意义(χ2 =0 .16 2 4、1 5 4 .17,P均>0 .0 5 )。结论 2 0 0 2年乙肝疫苗纳入儿童计划免疫后,加强全市的乙肝疫苗接种工作,迅速扭转工作滑坡的局面,是今后工作的重点。 Objective To understand the hepatitis B (hepatitis B) vaccination rate, the carrier rate of hepatitis B virus surface antigen (HBsAg) and the hepatitis B virus (HBV) infection among pregnant women aged 1-3 years in Wuhan in recent 10 years. Methods The stratified multi-stage random sampling method was used to divide the whole city into two levels (urban and suburban), and investigated the school-aged children in four times in 1992, 1994 and 1999 respectively, and investigated a total of 2.4 3 children. Results With the intensification and deepening of hepatitis B vaccination in the suburbs, the gap between suburbs gradually narrowed. The carrier rate of HBsAg in children dropped from 9 0.9% in 1992 to 119.2% in 2003, with a decrease of 85.81%. The positive rate of HBsAg in children was 42% in 1992. 4 2% to 83 19% in 2003. According to the 2003 survey, there was no significant difference in suburban suburbs between HBsAg carrier rate and anti-HBs positive rate (χ2 = 0.1624,1.54.17, P <0.05). Conclusions After the hepatitis B vaccine was included in the planned immunization of children in 2002, strengthening the city’s hepatitis B vaccination work and quickly reversing the situation of landslide are the focuses of future work.
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