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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 analyze the epidemic characteristics of influenza in Shanghai during 2013-2015. Methods The surveillance data of flu-like illness (ILI) from 2013 to 2015 in Shanghai were collected and some of the cases were collected for etiological surveillance. Results In 2013-2015, the percentage of ILI visits in Shanghai was between 0.68% and 3.73%, averaging 1.46%. 51 455 ILI samples, 12 673 positive specimens, the positive rate was 24.63%. The age-specific ratio of ILI in 25-60 age group was higher than other age groups. Conclusions The peak incidence of ILI in Shanghai during 2013-2015 is annual winter and summer. The ILI composition of the elderly is increasing year by year, and the protection of the elderly should be strengthened.