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目的了解吉林省边境地区健康人群脊髓灰质炎(脊灰)中和抗体水平。方法263份血清标本来自珲春、临江、集安市的<1岁、1～2岁、3～4岁、5～6岁、7～14岁、15～19岁、≥20岁人群,采用微量中和试验检测脊灰抗体。结果各年龄组健康人群I、Ⅱ、Ⅲ型脊灰中和抗体阳性率分别为94.98%、94.59%、92.28%,几何平均滴度分别为1:40.53、1:29.68、1:20.71,且随年龄增长呈下降趋势。结论吉林省边境地区健康人群,特别是<15岁儿童已形成良好的脊灰免疫屏障。
Objective To understand the level of poliomyelitis (poliomyelitis) neutralizing antibody in healthy population in the border area of Jilin Province. Methods Totally 263 serum samples were collected from Hunchun, Linjiang and Ji’an cities of <1 year old, 1 ~ 2 years old, 3 ~ 4 years old, 5 ~ 6 years old, 7 ~ 14 years old, 15 ~ 19 years old, Micro-neutralization test for detecting antibodies to polio. Results The positive rates of neutralizing antibodies of type I, II and III in healthy population of each age group were 94.98%, 94.59% and 92.28% respectively. The geometric mean titers were 1: 40.53, 1: 29.68 and 1: 20.71 respectively, Age is declining. Conclusion The healthy population in the border areas of Jilin Province, especially the children <15 years old, have formed a good polio immune barrier.