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目的:评价农七师乙肝疫苗加强免疫的现状与效果;方法:用PPS法对七师各团场,对1998年1月1日至2002年12月31日出生的儿童1050人,进行了接种率调查,并采血检测HBsAg和抗-HBs。结果:1050名被调查儿童乙肝疫苗基础免疫和加强免疫接种率均达100%,HBsAg为阴性,抗-HBs阳性率达71.80%,几何平均滴度为39.25mIU/ml。3~7岁儿童加强免疫前HBsAg感染率2.00%,加强免疫后均阴性,抗-HBs从加强前的47.59%上升到71.80%,差异极为显著(P<0.01)。结论:农七师乙肝疫苗基础免疫和加强免疫接种率均处较高水平,加强免疫效果亦极为显著。
Objective: To evaluate the status quo and effect of boosting immunity of hepatitis B vaccine of seven farmers. Methods: The vaccination rate of 1050 children born in the seven divisions from January 1, 1998 to December 31, 2002 was analyzed by PPS method. Investigate and collect blood for detection of HBsAg and anti-HBs. Results: The basic immunization and booster vaccination rates of 1050 children were all up to 100%. HBsAg was negative. The positive rate of anti-HBs was 71.80%. The geometric mean titer was 39.25mIU / ml. The 3 to 7-year-old children had a 2.00% HBsAg positive rate before immunization, and all of them were negative after booster immunization. The anti-HBs increased from 47.59% before enhancement to 71.80%, with significant difference (P <0.01). Conclusion: The basic and immune boosting rates of Hepatitis B vaccine of seven farmers are all at a high level, and the effect of enhancing immunity is also remarkable.