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目的了解咸阳市2013—2015年流行性感冒(流感)监测情况,为流感防控工作提供防治依据。方法对咸阳市国家级流感监测哨点医院流感样病例(ILI)、病原学监测结果及暴发疫情进行分析。结果 2013—2015年咸阳市流感监测哨点医院内科门诊、内科急诊、儿内科门诊、儿内科急诊及发热门诊就诊病例总数为331 941例,ILI为11 537例,占3.48%。ILI在各年龄段都有发生,但主要集中在<5组和5~<15年龄段,占59.61%;流感核酸检测阳性率为10.36%,以B型Yamagata,甲型H1N1型,季节性H3N2为主。流感均在冬季的12月至次年2月呈现流感活动高峰。结论 2013—2015年咸阳市流感流行以冬春季高发,呈B型、甲型H1N1型和H3N2交替流行趋势。
Objective To understand the surveillance of influenza (influenza) in Xianyang City from 2013 to 2015 and to provide evidence for prevention and control of influenza. Methods Influenza-like cases (ILI), etiological surveillance results and outbreaks were analyzed in Xianyang National Influenza Surveillance Hospital. Results The total number of medical outpatient, medical emergency, pediatric outpatient, pediatric emergency and fever clinics in Xianyang City Influenza Surgical Sentinel Hospital between 2013 and 2015 was 331 941 cases, with ILI 11 537 cases (3.48%). ILI occurred in all age groups, but mainly in <5 groups and 5 ~ <15 age groups, accounting for 59.61%; the positive rate of influenza nucleic acid detection was 10.36%, with type B Yamagata, type A H1N1, seasonal H3N2 Mainly. Flu is in the winter of December to February next year showed the peak of influenza activity. Conclusions The prevalence of influenza in Xianyang City during 2013-2015 was high in winter and spring, showing an epidemic trend of type B, H1N1 and H3N2.