2007-2011年福州市流行性乙型脑炎流行特征分析

Analysis on Epidemiological Features of Epidemic Encephalitis B in FuzhouCity,2007-2011

目的分析福州市流行性乙型脑炎流行特征,为制定防治策略提供科学依据。方法对2007-2011年福州市乙脑疫情资料和个案调查资料进行统计分析。结果 2007-2011年福州市共报告乙脑病例24例,呈散发状态,年均发病率为0.07/105;累计报告死亡3例,病死率为12.5%。24例病人中,2007-2011年分别发病2、3、7、4、8例;男性13例,女性11例;散居儿童12例,托幼儿童3例,学生5例;<10岁儿童14例6～8月发病的24例;有乙脑疫苗接种史的8例。年均发病率,城区为0.01/105,郊区8个县(市)为0.1/105。结论福州市乙脑疫情仍处于散发状态,农村是防治的重点地区、儿童是防治的重点人群,搞好儿童乙脑疫苗的预防接种是防控工作的重要措施。

Objective To analyze the epidcmiological features of epidemic encephalitis B in Fuzhou city, and provide sci-entific evidence for the establishment of prevention and control strategy. Methods Analysis was made on the data collected from the prevalence surveillance system and case investigation in Fuzhou city, 2007-2011. Results 24 cases of epidemic encephalitis B were reported with an annual average morbidity of 0.07/10^5; 3 death cases were reported with the ease-fatality rate of 12.5%; During 2007-2011, the reported cases were 2, 3, 7, 4 and 8 respectively; Among the 24 cases, 13 cases were male, 11 were female; 12 cases were floating children, 5 cases were students; 14 cases were children under 10; 24 eases occurred from July to Septemper; 8 cases were vaccinated.The annual average morbidity was 0.01/10sin urban areas and 0.1/10^5 in rural areas. Conclusion Encephalitis B is still at a sporadic state in Fuzhou cit, rural areas and children are the priorities in the prevention, and encephalitis B vaccine inoculation should be improved among the children.