【摘要】 目的分析洪雅县某中学流感暴发疫情的流行病学特征,为学校流感暴发防控提供参考。方法对洪雅县某中学流感暴发疫情的病例进行流行病学调查和分析。结果该校共发现流感病例151例,平均罹患率6.31%;其中高一年级发病75例,罹患率最高(11.19%),占总发病数的49.67%;住宿生发病126例,占总发病数的83.4%。病原学检测到此次流感暴发的毒株是甲型流感病毒,甲型H1N1流感病毒核酸阳性2例。结论该学校流感暴发疫情以住宿生为主,其中高一年级罹患率高于其他年级。更多还原

【Abstract】 Objective To analyze the epidemiological characteristics of an influenza outbreak in a middle school in Hongya and provide scientific evidence for the control and prevention of influenza outbreaks in schools.Methods Epidemiological survey and analysis were performed for the outbreak.Results A total of 151 cases were detected in this outbreak,the attack rate was 6.31%,75 cases occurred in grade 1,senior middle school with the highest attack rate of 11.19%,and 126 cases were resident student,accounting for 83.4% of the total cases.The laboratory detection indicated that influenza A virus was the pathogen for this outbreak,and 2 strains of 2009 pandemic influenza A(H1N1) virus were detected.Conclusion Schools are critical areas for influenza control and prevention.Health education,epidemiological and etiological survey should be strengthened.Immunity strategy should be further rationalized.The teaching and accommodation condition in schools should also be improved.更多还原