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2007-2009年广东省深圳市龙岗区流感监测分析 被引量:11

Surveillance of influenza in Longgang district of Shenzhen,Guangdong province,2007-2009
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摘要 目的分析广东省深圳市龙岗区流感监测结果,为制定流感防控策略提供参考。方法对2007-2009年流感样病例的流行病学监测、病原学监测、职业暴露人群人禽流感血清抗体监测、重点人群血清抗体监测等资料进行分析。结果 2007-2009年龙岗区监测流感样病例78 650例,占监测就诊病例总数的7.29%;流感样病例主要集中在0~及5~岁年龄组,占79.92%;全年均有病例发生,主要集中在4-8月,占55.89%;3年间共分离出流感病毒毒株316株,阳性率为16.89%(316/1871);其中季节性流感A型25株、B型60株,甲型H1N1流感183株。3年共发生流感暴发疫情126起,累计发病例数1381例;暴发时间多在6-7月及9-11月,占总暴发疫情数的78.57%,流感暴发疫情主要发生在中、小学校,占80.95%;病原学检测2007年以A型流感病毒(60.00%)为主,2008年以B型流感病毒(57.58%)为主,2009年8月后以甲型H1N1流感病毒(56.96%)为主。结论龙岗区2007-2008年季节性流感发病相对平稳,未发生较大规模的暴发流行,2009年8-11月甲型H1N1流感较为活跃。 Objective To analyze the results of influenza surveillance in Longgang district of Shenzhen,and provide evidence for the development of influenza prevention and control strategies.Methods The data of the epidemiological surveillance and etiological surveillance of influenza like illness(ILI) cases,the data of avian influenza serum antibody level surveillance among the people with occupational exposure and the data of influenza serum antibody level surveillance among risk population from 2007 to 2009 were analyzed.Results A total of 78 650 ILI cases were under surveillance,accounting for 7.29% of the total outpatients.The cases were mainly distributed in 0-and 5-age groups,accounting for 79.92%,and the disease occurred all the years round with high incidence during April-August,accounting for 55.89%.A total of 316 influenza virus strains were isolated during this period,including 25 strains of seasonal influenza A viruses,60 strains of influenza B viruses and 183 strains of 2009 pandemic influenza A(H1N1) virus.A total of 126 influenza outbreak occurred during this period,resulting in 1381 cases.The outbreaks mainly occurred during June-July and September-November,accounting for 78.57%.Primary and middle schools were the setting where influenza outbreaks were prone to occurred,the cases there accounting for 80.95%.Influenza A viruses were predominant(60.00%) in 2007,influenza B viruses were predominant(57.58%) in 2008 and 2009 pandemic Influenza A(H1N1) virus was predominant(56.96%) from August in 2009.Conclusion The incidence of seasonal influenza was relatively stable in Longgang district from 2007 to 2008,without large-scale outbreak.2009 pandemic influenza A(H1N1) influenza activity was observed from August to November in 2009.
出处 《疾病监测》 CAS 2010年第7期518-521,共4页 Disease Surveillance
关键词 流感 流感样病例 流感监测 influenza influenza-like illness influenza surveillance
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