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目的 了解成都市流感样病例常见呼吸道病毒感染状况.方法 抽取2014年5月-2015年11月间成都市3个流感监测点采集的流感样病例的临床标本1367份,使用PCR法进检测甲型流感病毒、乙型流感病毒、丙型流感病毒、Ⅰ型副流感病毒、Ⅱ型副流感病毒、Ⅲ型副流感病毒、Ⅳ型副流感病毒和鼻病毒8种病毒及其亚型.结果 1367份标本中共374份8种病毒检测呈阳性,其中19例为混合感染,总阳性检出率为27.36％.阳性检出率夏季最高(32.68％),秋季最低(23.76％),春季和冬季分别为28.01％和31.26％,四季检出率结果有统计学差异(x2=17.334,P＜0.001).19例混合感染的样本,以鼻病毒合并其他病毒感染为主.结论 成都市流感样病例以鼻病毒、甲型和乙型流感病毒感染为主,其次为丙型流感病毒感染,偶发副流感病毒感染.“,”Objective To analyze the epidemiological characteristics of respiratory viruses in influenza-like cases in Chengdu city.Methods A total of 1367 clinical specimens were selected from three influenza surveillance sites in Chengdu from May 2014 to November 2015.PCR was used to detect 8 viruses and their subtypes,including influenza A virus,influenza B virus,influenza C virus,type Ⅰ,type Ⅱ type Ⅲ and type Ⅳ parainfluenza virus and rhinovirus.Results Three hundred and seventy-three samples were positive for the 8 virus,and 19 samples were mixed infections.The total positive detection rate was 27.36％.The positive rate was the highest in summer(32.68％),and lowest in autumn(23.76％).In spring and winter,the rates were 28.01％ and 31.26％,respectively.The difference among the seasons was significant (x2 =17.334,P ＜ 0.05).Mix infections were mostly caused by rhinovirus and other virus in the 19 samples.Conclusions The predominant viruses in Chengdu were nasal virus and influenza A and B,with some influenza virus C.