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目的对2010—2011年江门市流行性感冒(流感)监测结果进行分析,了解流感的流行趋势,为制定流感的预防控制措施提供科学依据。方法通过流行病学和病原学监测,对江门市流感流行情况进行分析。结果 2010—2011年采集流感样病例标本2 147份,经实时荧光定量-聚合酶链式反应(RT-PCR)法检测,阳性率为11.46%,其中B型流感、甲型H1N1流感、季节性甲型H3N2流感分别占36.99%、31.30%和18.70%。2010年全市报告了5起流感暴发疫情,发病总人数98人,其中B型流感4起(80.00%),甲型H1N1流感1起(20.00%)。结论 2010—2011年江门市流感活动强度低,存在B型、甲型H1N1和甲型H3N2 3种流感交替流行。
Objective To analyze the surveillance results of influenza in 2010-2011 in Jiangmen City, understand the epidemic trend of influenza, and provide a scientific basis for the development of influenza prevention and control measures. Methods Epidemiology and etiological monitoring were used to analyze the prevalence of influenza in Jiangmen City. Results A total of 2 147 samples of influenza-like illness were collected from 2010 to 2011. The positive rate was 11.46% by real-time fluorescence quantitative polymerase chain reaction (RT-PCR), including type B influenza, type A H1N1 influenza, seasonal Influenza A (H3N2) accounted for 36.99%, 31.30% and 18.70%, respectively. In 2010, the city reported 5 flu outbreaks with a total incidence of 98 people, including 4 (80.00%) of type B and 1 (20.00%) of type A H1N1. Conclusion The intensity of influenza activity in Jiangmen City during 2010-2011 is low, and there are three types of influenza A, B, H1N1 and H3N2.