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目的了解2007年茂名市直属中小学生乙肝表面抗原(HBsAg)携带状况以及其与免疫接种情况的关系,为提出更有效的防控措施提供科学依据。方法对2007年茂名市直属中小学生采集指端末梢血,用快速条纸法进行检测;采用整群随机抽样方法调查1 936名市直属中小学生乙肝免疫史和乙肝加强接种情况。结果茂名市直属中小学生乙肝表面抗原阳性率明显下降;学生HBsAg阳性率为3.51%;初、高中学生HBsAg阳性率明显高于小学生;乙肝表面抗原携带率与乙肝免疫史以及乙肝疫苗加强接种有直接影响。结论应以托幼机构儿童和所有在校学生为乙肝重点免疫对象,对适龄儿童进行乙肝疫苗加强接种。
Objective To understand the relationship between hepatitis B surface antigen (HBsAg) carrying status and immunization status among primary and secondary school students directly under Maoming in 2007 and provide a scientific basis for putting forward more effective prevention and control measures. Methods Finger-tip peripheral blood was collected from primary and middle school students directly under Maoming in 2007 and detected by fast strip method. A cluster random sampling method was used to investigate the history of hepatitis B immunization among 1 936 primary and secondary school students and the hepatitis B vaccination. Results The positive rate of HBsAg in primary and secondary school students was significantly decreased. The positive rate of HBsAg was 3.51%. The positive rate of HBsAg in primary and middle school students was significantly higher than that of primary school students. The HBsAg carrier rate, HBsAg immunization history and hepatitis B vaccination were direct influences. Conclusions Hepatitis B vaccine should be boosted to children of school-age children with key immunization targets of hepatitis B patients.