开封市某小学一起甲型H1N1流行性感冒暴发疫情分析

Analysis on a outbreak of influenza A H1N1 in a primary school in Kaifeng city

目的探讨开封市某小学一起流感暴发的原因,为今后流感防控工作提供科学依据。方法收集"中国流感监测信息系统"所报告的流感样病例的疫情数据,进行流行病学调查,结果用统计软件进行分析。结果疫情主要通过班级学生间密切接触传播,首发病例12月23日发病,随后病例数逐渐增多,12月25日发病达到高峰,病例集中分布在首发病例所在班级,共有24人发病,罹患率为32.43%。结论加强健康教育,教室环境注意经常通风;加强疫情管理和疾病监测工作,在流感高发季节严格执行晨午检和因病缺课追踪登记制度;流感高发季节来临前积极推行流感疫苗的预防接种是感防控工作的重点。

Objective To discuss the reasons of influenza outbreak in a primary school and to provide evidence for the future prevention and control influenza.Methods Data was collected through the China Information system for influenza surveillance.These data was analyzed through microsoft Excel 2003 software.Results This influenza outbreak was caused by close contact with each other among pupils in the same class. The initial case was diagnosed on December23 th.Subsequently the cases increased and reached the peak on December 25 th.The number of the total cases was 24.Cases were 11-13 years old in the same class.The attack rate was 32.43 %. Conclusions To strengthen the health education for pupils.Epidemic management and surveillance were needed to strength.Physical examination and tracking the absents were should been implement strictly in the flu season. The vaccination of influenza vaccine should be pursued actively before the flu season