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目的:了解陕西省咸阳市1-7岁(不含7岁)健康儿童乙脑免疫水平状况,评价预防接种效果,为提高我市计免工作效率提供帮助。方法:采用酶联免疫吸附试验(ELISA)检测1-7岁健康儿童血清中乙脑IgG抗体,分析保护率水平。结果:我市乙脑IgG抗体阳性率分别为94.01%;男女不同性别及各年龄段(除1-2岁外)的儿童乙脑IgG抗体保护水平达到了85%以上。结论:咸阳市1-7岁健康儿童针对乙脑的免疫规划工作取得显著成效,建立了有效免疫屏障,应继续加强对抗体水平监测,巩固计免工作成效。
Objective: To understand the immune status of JE in healthy children aged 1-7 years (excluding 7 years old) in Xianyang City, Shaanxi Province, to evaluate the effect of vaccination, and to help improve the efficiency of toll - free in our city. Methods: Serum encephalitis B IgG antibody was detected by enzyme-linked immunosorbent assay (ELISA) in 1-7 healthy children, and the level of protection was analyzed. Results: The positive rates of Japanese encephalitis IgG antibody in our city were 94.01%. The protective levels of Japanese encephalitis IgG antibody in children of different genders and ages (excluding 1-2 years old) reached more than 85%. CONCLUSIONS: 1-7 years old healthy children in Xianyang City have achieved remarkable results in immunization planning for JE, established an effective immune barrier and should continue to strengthen the monitoring of antibody levels to consolidate the results of toll-free.