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为了解五莲县肾综合征出血热(HFRS)疫区健康人群血清抗体水平,掌握不同流行强度疫区人群隐性感染率及血清抗体滴度、持续时间,以便为制订HFRS防制对策和措施,提供可靠资料,于1994年至1996年连续3年对HFRS疫区人群抗体水平进行了监测。调查对象选择流行村、散发村和未发病村中既往无HFRS患病史,近期无发烧的当地居民,应用间接免疫荧光法测IgG抗体。结果1142份健康人群血清中IgG抗体阳性39份,阳性率为3.42％,男女间阳性率分别为3.07％和3.88％,各年龄组阳性率均比较接近;不同流行强度阳性率分别为流行村3.91％,散发村3.88％,未发病村2.52％,差别无显著性;39份健康人
In order to understand the level of serum antibody in healthy population of HFRS in Wulian County and to know the latent infection rate and serum antibody titers and duration in different prevalence epidemic areas so as to establish the countermeasures and measures for prevention and control of HFRS , Provided reliable information on the surveillance of antibody levels in HFRS-infected areas for three consecutive years from 1994 to 1996. Survey respondents selected epidemic villages, sporadic villages and uninfested villages without previous history of HFRS and local residents without fever. Indirect immunofluorescence assay was used to measure IgG antibodies. Results There were 39 positive IgG antibodies in 1142 healthy people, the positive rate was 3.42%. The positive rates of male and female were 3.07% and 3.88% respectively, and the positive rates of all the age groups were close. The positive rates of prevalence among different epidemic groups were 3.91 %, Distributed 3.88% of villages, 2.52% of uninvolved villages, the difference was not significant; 39 healthy people