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目的了解周口市流感流行特征,为制定流感防控方案提供科学依据。方法对2013-2015年周口市流感监测中流感样病例(ILI)监测资料和病原学检测资料进行分析。结果 2013-2015年监测哨点医院相关门诊ILI数占门诊就诊人数的2.07%,以0~岁年龄组为主,占67.38%。3年共检测ILI标本3 846份,PCR阳性272份,阳性率7.07%,其中季节性H3型为154例(56.62%),B型65例(23.90%),新甲H1N1型53例(19.49%)。结论 2013-2015年周口市流感流行出现上升趋势,流感病毒活动高峰在冬春季,须加强监测和防控。
Objective To understand the epidemic characteristics of influenza in Zhoukou City and provide a scientific basis for the development of influenza prevention and control programs. Methods The surveillance data and pathogen detection data of influenza-like illness (ILI) in Zhoukou City during 2013-2015 were analyzed. Results The number of ILI outpatient visits in the sentinel hospitals during the period from 2013 to 2015 accounted for 2.07% of the total, accounting for 67.38% of the patients in the 0 ~ age group. 3 846 ILI specimens were detected in 3 years, and 272 were positive for PCR. The positive rate was 7.07%. There were 154 cases (56.62%) of seasonal H3, 65 (23.90%) of type B and 53 %). Conclusion The flu epidemic in Zhoukou City increased from 2013 to 2015. The peak of influenza virus activity was in winter and spring. Monitoring and control should be strengthened.