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目的了解深圳市中小学生接种甲型H1N1流感疫苗后的抗体水平,观察疫苗的保护作用。方法用常规微量血凝抑制试验,对3个时间段中小学生的流感抗体水平进行检测和比较。结果流感流行前(2009.6)抗体阳性率仅1.1%;流行后(2009.12)升至7.4%;接种疫苗后(2010)达34.9%,3个时间段的抗体阳性率逐渐增高。结论深圳市学生接种流感疫苗有一定的保护作用。
Objective To understand the antibody levels of primary and secondary school students vaccinated with influenza A (H1N1) in Shenzhen and to observe the protective effect of the vaccine. Methods The conventional micro-hemagglutination inhibition test was used to detect and compare the flu antibody levels of primary and secondary school students in three time periods. Results The positive rate of antibody before the pandemic (2009.6) was only 1.1%. After the epidemic (2009.12), the antibody positive rate increased to 7.4%. After vaccination (2010), the positive rate of antibody reached 34.9%. The antibody positive rate increased gradually in three time periods. Conclusion Shenzhen City students vaccination influenza vaccine has a certain protective effect.