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目的了解玉溪市儿童乙型肝炎疫苗接种情况,评价免疫效果。方法在玉溪市新平、通海、澄江3个县按计划免疫随机概率抽样调查法(PPS法),各抽取210名2000—2006年出生的儿童,采用ELISA法检测HBsAg、HBsAb。结果共调查613名儿童,乙肝疫苗首针及时接种率为65.25%,3针全程接种合格率为92.33%。血清HBsAg阳性率为0.33%,HBsAb阳性率达78.63%。结论玉溪市儿童乙型肝炎疫苗接种率不断提高,乙型肝炎疫苗免疫获得预期的效果,对控制乙型肝炎感染起到了十分有效的作用。
Objective To understand the situation of hepatitis B vaccination in children in Yuxi and evaluate the immune effect. Methods Totally 210 children born in 2000-2006 were recruited by PPS method in three counties of Xinping, Tonghai and Chengjiang of Yuxi. HBsAg and HBsAb were detected by ELISA. Results A total of 613 children were investigated. The first-dose hepatitis B vaccination rate was 65.25% and the third-dose vaccination rate was 92.33%. Serum HBsAg positive rate was 0.33%, HBsAb positive rate of 78.63%. Conclusion The vaccination rate of hepatitis B in children in Yuxi City has been continuously raised. The expected effect of hepatitis B vaccine immunization has been achieved, and it has played a very effective role in controlling hepatitis B infection.