武汉市2009年流行性乙型脑炎疫情调查  

INVESTIGATION AND ANALYSIS ON JAPANESE B ENCEPHALITIS INFECTIONS IN WUHAN 2009

作　　者：陈邦华[1] 田俊华[1] 朱泽荣[1] 余滨[1] 赵德峰[1] 胡权[1] 

机构地区：[1]武汉市疾病预防控制中心,武汉430015

出　　处：《现代预防医学》2010年第20期3920-3921,共2页Modern Preventive Medicine

基　　金：湖北省卫生厅青年科技人才基金项目(QJX2008-47)

摘　　要：[目的]调查分析本起乙脑疫情发生的原因和特点,为本地乙脑的防控提供依据。[方法]采用流行病学调查和乙脑诊断标准及处理原则进行,灯诱法调查蚊种。[结果]2009年的所有乙脑病例集中在7月发病,共10例,均为农村病例,其中8例在黄陂区,年龄10月～7岁。8例病例无明确的乙脑疫苗接种史。疫点健康儿童血清中抗乙脑IgG抗体阳性率96.27%,抗乙脑IgM抗体阳性率5.56%。病家周围环境蚊种构成中三带喙库蚊占71.63%,三带喙库蚊中雌蚊占99.80%。[结论]儿童未有效接种乙脑疫苗和环境中存在乙脑病毒的传播媒介是本起疫情发生的重要原因,加强适龄儿童疫苗接种和改善环境卫生是防控乙脑的重要措施。[Objective] To explore the cause and characteristic of the Japanese B Encephalitis（JBE） infection in Wuhan in 2009,and provide gist for better prevention and control strategy.[Methods] By epidemiology investigation,diagnosis criteria and principal of management of JBE,and the mosquito were monitored by light-traps.[Results] In Wuhan,all cases of JBE occurred in July 2009,a total of 10 cases were found,and they were children aged from 10 months to 7 years of age,living in rural areas,and 8 cases in Huangpi District.8 cases had not a specific history of JBE vaccine inoculation.A serological survey was undertaken among healthy children in the affected areas,and 96.27% of the objects showed to be IgG antibody positive,5.56% of them presented IgM antibody positive.71.63% of the mosquitos were Cx.tritaeniorhynchus around the patient home,99.80% of which were female.[Conclusion] Not effective immunization and existing main vector of JBE,it is necessary to enhance the vaccine inoculation and improve the environment conditions for preventing JBE.

关 键 词：流行性乙型脑炎 流行病学调查 蚊媒监测 血清学监测 

分 类 号：R512.32[医药卫生—内科学]