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目的了解高中入校新生HBSAg感染情况,为制定乙肝防治对策,保护学生身体健康提供科学依据。方法采用ELISA法对2005～2007年期间广水市高一新生24636人进行血清HBSAg和ALT检测,对结果进行统计分析。结果高一新生HBSAg平均阳性率为8.44%,低于全国普通人群平均水平。结论中学生HBSAg感染率呈逐年下降趋势。加强对新生儿和易感人群的乙肝疫苗接种工作,提高免疫覆盖率和人群免疫水平,是降低HBSAg感染的有效途径。
Objective To understand the status of HBSAg infection among freshmen in high school and to provide a scientific basis for the prevention and treatment of hepatitis B and the protection of students’ health. Methods Serum HBSAg and ALT were detected by ELISA in 24636 freshmen in Guangshui from 2005 to 2007, and the results were statistically analyzed. Results The average positive rate of HBSAg in the freshmen of high school was 8.44%, lower than the average level of the general population in China. Conclusions The prevalence of HBSAg in middle school students shows a declining trend year by year. Hepatitis B vaccination efforts to enhance newborns and susceptible populations and improve immune coverage and population immune levels, is an effective way to reduce HBSAg infection.