苗族中小学生乙型肝炎血清流行病学调查

[目的]了解苗族中小学生乙型肝炎病毒感染情况，为防治工作提供依据。[方法]对台江县疾控中心2003～2005年检测的在校学生共计8260人运用酶联免疫法行乙肝“两对半”测定。[结果]HBsAg阳性率为11．48％，中学生阳性率明显高于小学生，男生高于女生，农村学生高于城区学生。感染模式以“大三阳”和“小三阳”为主，并有年龄、性别、城乡差异。[结论]该应加强新生中HBV的检测，并采取乙肝疫苗接种等综合预防措施。

ANALYSIS OF THE HEPATITIS B VIRUS INFECTION AMONG MIAO NATIONALITY STUDENTS IN PRIMARY AND MIDDLE SCHOOLS

[ Objective] To understand the infection of HBV among 8 260 Miao primary and middle shool students and provide theoretic basis for prevention and control of HBV. [Methods] The test results of serum HBsAg, anti-HBs, HBeAg, anti-HBe, anti-HBc among 8 260 primary and middle shool students by ELISA method by Taijiang CDC from 2003 to 2005 were analysed. [Results] The HBsAg positive rate in 8 260 primary and middle shool students in Taijiang county was 11.48%. The prevalence rate of HBV in middle shool students were higher than that in primary school students, The HBsAg positive rate in male students were higher than thai in female students. The HBsAg positive rate in students in urban area were higher than that in the students in rural area. The two primary infection types were HBsAg positivity, HBeAg positivity, anti-HBc positivity and HBsAg positivity, anti-HBe positivity, anti-HBc positivity. The differences in age, sex, living in urban or rural area between the two infection types were statistically significant. [C~orlcltJsiorl] In order to prevent and control the spread of HBV in schools, we must grasp laboratory test of the HBV and carry out the synthesize measures of Hepatitis B vaccine immunization.