论文部分内容阅读
目的描述洪雅县某中学甲型H1N1流感暴发疫情的流行病学特征,为学校甲型H1N1流感暴发防控提供参考。方法应用现场流行病学方法开展调查,用RT-PCR检测病例标本,用Epidata录入数据,用Excel、Epiinfo软件进行结果分析。结果该校共发现流感病例151例,罹患率6.31%,学生病例149例,首发病例为高一学生,高一年级罹患率最高(11.19%),住校生罹患率9.1%,走读生为2.83%。病原学检测,采集25例病例的咽拭子标本,甲型H1N1流感病毒阳性率20%。结论此次疫情是为甲型H1N1流感暴发疫情,住校学生罹患率较高,住宿条件较差和学生接触密切是此次疫情的危险因素。
Objective To describe the epidemiological characteristics of Influenza A (H1N1) outbreaks in a middle school in Hongya County and provide references for prevention and control of Influenza A (H1N1) outbreaks in schools. Methods The epidemiological method was used to carry out the investigation. The specimens were detected by RT-PCR, the data were recorded by Epidata, and the results were analyzed by Excel and Epiinfo software. Results A total of 151 cases of influenza were found in this school, with an attack rate of 6.31% and 149 cases of students. The first case was a freshman with the highest attack rate (11.19%) in the first year, the attack rate was 9.1% for resident students and 2.83% . Etiological detection, the acquisition of 25 cases of throat swab specimens, influenza A H1N1 influenza virus positive rate of 20%. Conclusion The outbreak is an outbreak of influenza A (H1N1), with a high prevalence of students living in school, poor accommodation conditions and close contact with students as risk factors for the outbreak.