深圳市龙岗区2009年季节性流感暴发疫情分析  

CHARACTERISTIC ANALYSIS ON THE SEASONAL INFLUENZA OUTBREAKS IN A CERTAIN DISTRICT OF SHENZHEN IN 2009

作　　者：李文东 李静媚[2] 杨坤祥[2] 

机构地区：[1]深圳市龙岗区龙岗预防保健所,深圳518116 [2]深圳市龙岗区疾病预防控制中心

出　　处：《现代预防医学》2010年第12期2327-2328,2331,共3页Modern Preventive Medicine

摘　　要：[目的]了解深圳市龙岗区2009年流感暴发疫情流行特征,为流感防控提供科学依据。[方法]回顾性分析2009年深圳市龙岗区的流感暴发疫情资料。[结果]2009年,深圳市龙岗区共报告季节性流感暴发疫情51起（平均罹患率为1.15%%）,疫情主要发生在5-8月,学校是流感样疫情暴发的主要场所（80.39%）;全年流感样监测病例标本均以B型流感病毒分离为主;进入6月暴发高峰,A型流感病毒替代B型流感病毒成为当地流感暴发流行的优势毒株;相关分析表明：疫情处置及时与否与疫情持续时间呈显著相关（r=0.407,P﹤0.01）,疫情持续时间与疫情暴发规模亦呈显著性正相关（r=0.481,P﹤0.01）。[结论]龙岗区流感暴发流行有明显的季节性,中小学生是流感暴发的高危人群,加强学校流感暴发的早期预警和流行季节前学生群体流感疫苗的预防接种可以有效控制当地流感的暴发流行。[Objective] To understand the epidemiologic characteristic of influenza outbreaks in Longgang district of Shenzhen in 2009.[Methods] Information about influenza outbreaks was collected for retrospective analysis.[Results] A total of 51 influenza outbreaks were reported in 2009 with an average attack rate of 1.15%.Outbreaks mainly occurred between May and August,and schools were the major sites for influenza outbreak.Type B prevailed in those monitoring specimen of influenza-like illness in 2009 year round,but type A prevailed in outbreaks after the peak time in June.Correlation analysis also indicated that the epidemic time was correlated with the reported time and the extent of influenza outbreak.[Conclusion] Influenza outbreak is seasonal in Longgang district,and students were the high risk group.More attention should be paid for early warning of school influenza outbreaks and students＇ vaccination so as to control the influenza spread in epidemic areas.

关 键 词：流行性感冒 暴发 预警 相关分析 

分 类 号：R373.13[医药卫生—病原生物学]