中国媒介生物学及控制杂志

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建德市肾综合征出血热Ⅰ型灭活疫苗随机对照现场中对照组人群隐性感染定群研究

徐校平1; 阮玉华2; 邵守坤1; 翁寿清1; 周卫群1; 童政1; 朱智勇3   

  1. 1浙江省建德市卫生防疫站311600; 2上海医科大学; 3浙江省卫生防疫站
  • 出版日期:1999-02-20 发布日期:1999-02-20

Cohort Study on Inapparent Infection of HFRS in Control Group -A Randomized Controlled Field of Type Ⅰ Inactivated Vaccine against Hemorrhagic Fever with Renal Syndrome in Jiande County

Xu Xiaoping*; Ruan Yuhua; Shao Shoukun; et al   

  1. Jiande County Health and Anit-Epidemic station, Jiande,311600
  • Online:1999-02-20 Published:1999-02-20

摘要: 目的:用定群血清流行病学方法研究HFRS疫苗效果考核现场对照组人群隐性感染情况及感染后抗体水平的变化。方法:采用IFAT检测血清中HFRSIgG抗体,分析不同性别和年龄的隐性感染及感染后抗体水平变化情况。结果:对照组360人随访40个月(1994年7月至1997年11月),HFRS年感染率2.93%,不同性别和年龄组未见显著差异;32名隐性感染者HFRS抗体转阴率46.88%,也可见HFRS抗体上升率达25.00%,在不同HFRS抗体滴度、性别和年龄组中未见显著差异。结论:此研究结果将为疫苗现场效果评价提供一些背景资料。

关键词: 肾综合征出血热, 定群研究, 血清流行病学, 隐性感染

Abstract: Objective: Cohort study of seroepidemiology on inapparent infection of HFRS and antibody variation after inapparent infection of HFRS in control group was carried out in a randomized controlled field of type Ⅰ inactivated vaccine against HFRS. Methods : Indirect immunofluorescent antibody method was used in testing IgG antibody in sera, seroconversion to HFRS antibody and antibody variation after inapparent infection of HFRS in control group were stratified analysis by sex and age groups. Results: After 40 months followed-up in 360 persons (1994.7~1997.11), year rate of seroconversion to HFRS antibody was 2.93%. There were no statistically significant difference in positive seroconversion rates of sex and age groups; In 32 persons of inapparent infection of HFRS, negative seroconversion rate of antibody to HFRS was 46.88% and rate of antibody increase to HFRS was 25.00%, also there were no statistically significant difference in negative seroconversion rate of antibody and rate of antibody increase of sex、age groups and different HFRS antibody titer. Conclusion: The results showed background data to evaluate the field protection efficacy of an inactivated HFRS vaccine.