2001-2005年宜宾市流行性乙型脑炎流行特征分析

Epidemic Situation of Japanese B Encephalitis in Yibin City From 2001 to 2005

目的分析2001-2005年宜宾市流行性乙型脑炎流行规律,为有效预防和控制乙脑的发生与流行提供依据。方法对2001-2005年宜宾市流行性乙型脑炎疫情资料进行描述性流行病学分析。结果2001-2005年宜宾市流行性乙型脑炎共报告病例362例,平均发病率为1.41/10万;该病有明显的季节性,发病主要集中在每年7～9月份,性别间差异无统计学意义,0～15岁组人群为该病的主要发病人群,职业分布以散居儿童为主,占发病总数的66.57%。结论宜宾市流行性乙型脑炎发病率处于相对较高水平,应该加强对该病的防治工作。

Objective To analyze the epidemic rules of Japanese B encephalitis in Yibin City from 2001 to 2005, so as to provide scientific basis for its effective prevention and control. Method Descriptive epidemiological method was used to analyze the epidemic situation. Results From 2001 to 2005, there were 362 cases reported infecting with Japanese encephalitis in Yibin City. The average incidence rate was 1.41/10^5. The disease was a seasonal disease, and the main occurrence happened from January to September. There was no significant difference in gender. The main morbidity population was people aged 0-15 years old. The occupational distribution of the disease was mainly in primary and middle school students, accounting 66.57% of the total incidence. Conclusion The incidence rate of Japanese encephalitis in Yibin City is relatively high, so the prevention and control of the disease should be strengthened.