摘要
目的分析流行性感冒（流感）暴发疫情的流行病学特征,探讨流感发病规律及防控策略。方法采用现场流行病学调查方法对某中学内一起流感暴发疫情进行分析。结果本次疫情确诊流感病例114例,均为住宿生,分布在高一和高二两个年级,罹患率分别为7.1%和17.8%,发病高峰集中在16∽18岁。采集26份病例咽拭子标本,14份为乙型流感病毒核酸阳性。结论流感主要发生在学校、托幼机构、集体单位等人群聚集的地方,早发现、早报告是控制疫情暴发的主要措施,应针对重点人群采取综合性的防控措施。
Objective To analyze epidemiological characteristics of the flu outbreak,explore pathogenesis regularity and control strategy of influenza. Methods Using the epidemiological investigation to analyze an influenza outbreak epidemiology in a middle school. Results All 114 cases of confirmed cases of the epidemic are boarders,distribution in the first and second grades in high school,the attack rate were 7. 1% and 17. 8%,concentrated in the peak incidence 16- 18 years old. Throat swab specimens collected 26 cases,14 cases were positive for hepatitis b virus nucleic acid. Conclusions The flu occurs mainly in schools,nurseries,collective units and other crowded places,early detection and early reporting are the main measures to control outbreaks,should take a comprehensive prevention and control measures to address focus populations.
出处
《医学动物防制》
2015年第3期301-302,306,共3页
Journal of Medical Pest Control
关键词
乙型流感
流行病学特征
防控措施
Influenza B
Epidemiological characteristics
Preventive and control measures
作者简介
顾焕颖（1973-），女，副主任技师，主要从事传染病防治和传染病病原学检验工作
