2012—2014年攀枝花市流感哨点医院监测结果

Results of influenza surveillance in sentinel hospitals of Panzhihua City from 2012-2014

目的了解攀枝花市2012-2014年流行性感冒（流感）流行状况，为流感防控提供参考依据。方法对2012-2014年攀枝花市流感哨点医院监测数据及病原学资料进行分析。结果2012年攀枝花市哨点医院报告的流感样病例就诊比例（ILI％）为2．14％；2012-2014年的流感阳性率为13．43％、13．30％、9．76％；2012年为流感病毒亚型Bv与H3交替流行，2013年为新甲HIN1与By交替流行，2014年以H3流行为主兼有新甲H1N1与By；0～14岁组的ILI占91．51％，病毒检出占89．35％；60岁～组病毒阳性率最高，为30．30％。结论攀枝花市2012-2014年流感病毒由3种亚型交替或混合流行，0，14岁婴幼儿童和〉60岁的老人为流感防控重点人群。

[Objective] To understand the epidemic situation of influenza in Panzhihua City from 2012-2014, provide the basis for prevention and control of influenza. [ Methods ] The surveillance data and pathogenic data of surveillance cases from sentinel hospitals in Panzhihua City from 2012-2014 were analyzed. [Results] The rate of influenza like illness cases （ILI%） reported by the sentinel hospitals in Panzhihua City in 2012 was 2.14%. The positive rate of influenza from 2012-2014 was 13.43%, 13.30% and 9.76%, respectively. The main pathogen was Bv and H3 alternately in 2012, while the epidemic situation was alternately dominated by influenza A （H1N1） and By in 2013, and the main pathogen was H3 in 2014 accompanied by the influenza A H1N1 and By. 91.51% of ILI cases were children aged 0-14 years old, and the detection rate of viruses accounted for 89.35%. The positive rate of viruses among people over 60 years old was the highest （30.30%）. [ Conclusion] The alternate epidemic and mixed epidemic from three subtypes of influenza virus have been observed in Panzhihua City from 2012-2014, and the peak seasons appear in winter-spring and summer. The children aged 0-14 years old and elderly people over 60 years old are the key populations for influenza prevention and control