卫辉市1965年～2004年流行性乙型脑炎流行病学特征分析

Epidemiologic Analysis of Janpanese B Encephalitis in Weihui During 1965-2004

目的 了解卫辉市流行性乙型脑炎(乙脑)的流行情况,为有效控制乙脑提供科学依据。方法分析卫辉市1965年-2004年乙脑的流行病学特征。结果卫辉市乙脑发病率总体呈下降趋势,自1973年接种乙脑疫苗后,乙脑发病率逐年下降,发病数农村明显多于城镇,发病呈明显的夏秋季高峰,发病多为10岁以下少年儿童。结论防制乙脑应采取预防接种及灭蚊、防蚊为主的综合性预防措施。预防接种的重点为农村10岁以下的少年儿童。

Objective To understand the epidemic situation of Janpanese B Encephalitis （JE） in Weihui and provide scientific evidences for controlling JE effectively. Methods The epidemiologic characteristics of JE in Weihui during 1965 -2004 was analyzed. Results The results showed that the overall JE incidence appeared downtrend in Weihui and decreased year by year since 1973 when vaccination in JE prevention was carried out, the number of JE cases in rural areas was more than that in urban areas, the incidence peak was during Summer and Autumn obviously, and most of the JE cases were among the children under 10 years old. Conclusion The general prevention measures mainly by killing mosquito, preventing mosquito, and vaccination in JE prevention should be adopted. The main target of vaccination should be among the children under 10 years old.