2009-2010年江苏省常州市流行性感冒监测分析

Surveillance of influenza in Changzhou city in Jiangsu province,2009-2010

目的了解江苏省常州市流行性感冒(流感)流行特征,为流感预防控制工作提供依据。方法对2009年6月至2010年12月常州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。结果流感监测数据显示,新H1N1流感高峰过后,ILI明显减少并保持较低水平。常州市秋末冬初或冬季出现流感高峰,甲、乙型流感交替流行。ILI发病人群以儿童和青少年为主。结论冬季应加强流感监测,重点保护青少年和儿童等易感人群。

Objective To understand the epidemiological characteristics of influenza in Changzhou and provide evidence for the prevention and control of influenza.Methods The analysis was conducted on the surveillance data and laboratory detection data of influenza like illness（ILI） cases from June 2009 to December 2010 in Changzhou.Results The surveillance data indicated that the number of ILI cases declined obviously and remained at low level after the incidence peak of 2009 pandemic influenza A（H1N1）.The incidence peak of influenza was during late autumn-early winter or during winter in Changzhou.Influenza A viruses and influenza B viruses circulated alternately.ILI mainly affected children and adolescents.Conclusion It is necessary to strengthen the surveillance of influenza in winter and pay close attention to protect susceptible population of children and adolescents.