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目的了解河南省平顶山市流行性感冒(流感)流行特征,为流感预防控制工作提供依据。方法对2012年平顶山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 2012年平顶山市流感监测哨点医院共监测门、急诊就诊病例105 262例,ILI患者12 252例,ILI占门急诊就诊总数的11.64%。病例以0~岁年龄组为主,占66.67%。全年共采集ILI咽拭子标本355例,经实验室检测,病毒核酸检测阳性45例,总阳性率为12.68%。其中季节性H3为21例,占46.67%,B型23例,占51.11%;新甲H1N1病例1例,占2.22%。结论 2012年流感流行高峰在1~3月,ILI构成以0~岁年龄组为主,流感病毒以季节性H3和B型为优势流行株。
Objective To understand the prevalence of influenza (influenza) in Pingdingshan City, Henan Province, and to provide basis for prevention and control of influenza. Methods The surveillance data and pathogen detection data of influenza-like illness (ILI) in 2012 influenza epidemic in Pingdingshan were analyzed. Results In 2012, a total of 105 262 cases of emergency surveillance were monitored in Pingdingshan Influenza Surgical Sentinel Hospital, 12 252 cases of ILI and 11.64% of ILI in outpatient and emergency department. The cases were mainly from 0 ~ age group, accounting for 66.67%. A total of 355 ILI throat swabs were collected during the year. After laboratory tests, 45 were positive for viral nucleic acid, with a total positive rate of 12.68%. Among them, seasonal H3 was 21 cases, accounting for 46.67%, type B 23 cases, accounting for 51.11%; 1 case of new H1N1 cases, accounting for 2.22%. Conclusion The peak of influenza epidemic in 2012 was between January and March. The ILI consisted mainly of 0 ~ age group. Influenza virus was the predominant epidemic strain of seasonal H3 and B type.