深圳市于1988年开始将乙肝疫苗纳入计划免疫管理，但到1992年才得到加强。所以中小学生接种率偏低川，有必要在全市中小学生中开展乙肝疫苗普种工作。为此我们进行了乙肝疫苗接种效果的研究。1对象和方法表1中小学生HBVM阳性率（％）1．1对象选择采用随机整群抽样法，选取福田 Shenzhen started to include hepatitis B vaccine in planned immunization management in 1988, but it was not strengthened until 1992. Therefore, primary and secondary school students vaccination rate is low, it is necessary in primary and secondary schools in the city to carry out hepatitis B vaccine universal work. To this end, we conducted a study on the effect of hepatitis B vaccination. 1 objects and methods Table 1 primary and secondary HBVM positive rate (%) 1.1 object selection random cluster sampling method, select Fukuda