上海市2013—2015年流行性感冒流行特征分析

Epidemiologic characteristics of influenza in Shanghai from 2013 to 2015

目的分析上海地区2013—2015年流行性感冒流行特征。方法收集2013—2015年上海市流感监测哨点流感样病例（ILI）监测资料,对其中的部分病例进行采样开展病原学监测。结果 2013—2015年,上海地区ILI就诊百分比在0.68%-3.73%之间,平均为1.46%。ILI采样51 455份,阳性标本数12 673份,阳性率为24.63%。25-60岁组ILI年龄构成比高于其他各年龄组。结论上海地区2013—2015年ILI发病高峰为每年的冬季和夏季,老年人的ILI构成比逐年增加,需加强保护老年人群。

Objective To study the epidemiologic characters of influenza in Shanghai from 2013 to2015. Methods Data of outpatient visits for influenza-like illness（ ILI） were collected through influenza surveillance hospitals. Pathogenic surveillance to part of ILI samples was conducted. Results From 2013 to 2015,the ILI consultation rate ranged from 0. 68% - 3. 73%,with an average rate of1. 46%. In total 51 445 samples were collected,and 12673 samples were positive,with the positive rate of24. 63%. The ratio of the patient visited for ILI aged from 25 to 60 was higher than other groups.Conclusion The peak of epidemic of influenza in Shanghai was in winter and summer. The ratio of the patients visited for ILI aged over 60 increased with years. More measures should be taken to protect the elder people.