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目的掌握人群脊髓灰质炎病毒抗体水平,预测发病危险性及趋势。方法按照随机方法选择10个村作为调查点,每个调查点每年龄组各抽取本市及流动人口各11人进行抗体水平监测。结果延庆县健康人群脊髓灰质炎病毒抗体阳性率水平较高,随着年龄增长,Ⅰ、Ⅱ、Ⅲ型GMT均出现高-低-稍高的变化趋势;不同性别人群抗体阳性率及GMT均无显著性差异;不同免疫史人群抗体阳性率无显著性差异,GMT有显著性差异;不同户籍人群Ⅰ、Ⅲ型抗体阳性率无显著性差异,Ⅱ型抗体阳性率有显著性差异,Ⅰ、Ⅱ、Ⅲ型GMT有显著性差异。结论延庆县健康人群脊髓灰质炎抗体阳性率水平较高,GMT水平高低不等。
Objective To understand the level of poliovirus antibodies in human population and predict the risk and trends. Methods According to the random method, 10 villages were selected as the investigation points. At each investigation point, 11 individuals from each city and floating population were sampled for antibody level monitoring. Results The positive rate of poliovirus antibodies in healthy population was higher in Yanqing County. With age, the GMTs of type Ⅰ, Ⅱ and Ⅲ showed the trend of high-low-high and slight. The positive rates of antibody and GMT in different sex groups were no There was no significant difference in the antibody positive rate among different immunization groups, with significant difference in GMT between the two groups. There was no significant difference in the positive rates of type I and III antibodies between different population groups, , Type Ⅲ GMT have significant differences. Conclusion The positive rate of poliovirus antibody in healthy population of Yanqing County is high, and the level of GMT is different.