百色市1988~2007年流行性乙型脑炎流行病学特征分析

目的分析百色市20年流行性乙型脑炎(简称乙脑)的监测结果和流行病学特征,为制定乙脑预防控制措施提供科学依据。方法收集1988~2007年百色市12个县乙型脑炎病例个案资料和传染病监测资料进行描述和分析。结果百色市1988~2007年共发生乙脑病人1035例,死亡62例,年均发病率为1.45/10万,病死率为5.99%,乙脑发病高峰呈周期性,每隔3~5年出现一次,总体发病呈下降趋势。靖西、田东和凌云三县为乙脑高发区,91.21%病例为<15岁儿童,发病者多在农村。结论乙脑流行与地理环境、气候因素及人群暴露等因素有关;加强卫生宣传教育,提高乙脑疫苗接种率,清除蚊虫孳生地,做好个人防护等综合性防制措施可有效控制乙脑的发生和流行。

Analysis of the Epidemical Characteristics of Japanese B Encephalitis in Baise City During 1988 -2007

Objective Objective To analyze the effect of Japanese B Encephalitis (JE) surveillance and epidemic features in Baise city from 1988 to 2007, so as to provide scientific basis for formulating control strategy of Japanese B Encephalitis. Methods The data on cases of encephalitis suits infection reported and infection diseases surveillance in 12counties from 1988 to 2007 were collected, described and analyzed.Results 1035 cases of JE have been found and 62 cases were dying. The average morbidity was 1.45/per 100000 and the mortality was 5.99%. The incidence of JE change by cyclical movement, high peak of JE appears in three to five years. The incidence of JE was decrease in general. The high incidence areas are Jingxi, Tiandong and Lingyun counties; the cases of JE <15 year old accounts for 91.21% and most of them live in rural areas.Conclusion The degree of JE epidemic is relation with climate factor, geographical environment and people expose to mosquito. Conduct healthy education, raise inoculation rate of vaccine, ride out of mosquito breeding place and strengthen personnel protection is the main measure of control and prevention of Japanese B Encephalitis.