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目的了解人群流感病毒抗体水平,科学预测流感流行趋势,对其预防控制策略的制定提供科学的依据。方法应用常规微量半加敏血凝抑制实验(HI),对银川市部分人群进行流感病毒血凝素抗体检测。结果共检测有效样本405份,其中甲型H1N1阳性率为33.09%,季节性A(H1N1)阳性率为60.89%,A(H3N2)阳性率为25.68%,B-Yamagata系(BY)阳性率为35.31%,B-Victoria系(BV)阳性率为17.78%。结论甲型H1N1抗体水平还不高,超过65%的人群无相应的保护性抗体。
Objective To understand the level of influenza virus antibodies in human population and to predict the epidemic trend of influenza in a scientific way and provide a scientific basis for its prevention and control strategies. Methods The conventional test of inhibition of hemagglutination inhibition (HI) was used to detect influenza virus hemagglutinin in some population in Yinchuan. Results A total of 405 valid samples were detected. The positive rate of A (H1N1) was 33.09%, the positive rate of A (H1N1) was 60.89%, the positive rate of A (H3N2) was 25.68%, the positive rate of B-Yamagata 35.31%, B-Victoria Department (BV) positive rate was 17.78%. Conclusion The level of H1N1 antibody is not high, more than 65% of the population does not have the corresponding protective antibody.