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目的 分析江阴市城东街道流感的流行特征,为制订本地区流感防控策略提供依据.方法 收集2012-2014年江阴市山观医院流感样病例(ILI)监测资料和流感病原学监测资料进行分析,并按月次进行相关分析和线性回归分析.结果 江阴市山观医院门急诊流感样病例百分比(ILI%)12.21%.流感样病例年龄别发病率:15岁以下患者>15~59岁患者> 60岁以上患者(P 60 year-old and above (P<0.05). The positive rate of influenza virus was 16.27%,varying with different surveillance periods (P<0.05). A(H3) was the predominant strain during the flu season of the region. During the flu season,the positive rate of influenza virus of the patients above the age of 15 was higher than that of the patients under the age of 15 (P<0.05). The ILI percentage of outpatients and emergency patients was positively correlated with the positive rate of influenza virus (r=0.601,P<0.05),and the coefficient of determination in regressionr2,was 0.361 (P<0.05). Conclusions There were lots of factors affecting ILI%. It is very important to simultaneously carry out the surveillance of both ILI and pathogen for better mastering the epidemic regularity and early warning of influenza.