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目的分析2012-2015年广州市番禺区流行性感冒(简称流感)疫情的流行病学特征,为流感防控工作提供科学依据。方法收集2012-2015年广州市番禺区发生的流感暴发疫情资料,进行描述性流行病学分析。结果 2012-2015年全区共报告16起流感暴发疫情,平均罹患率为2.32%,主要发生在3~6月;学校是流感暴发的主要场所(81.25%);引起暴发疫情的病毒类型以A亚型(H3N2)和B型为主。结论春夏季是本地流感易发季节,应加强对学校等重点场所的流感监测和防控。
Objective To analyze the epidemiological characteristics of the epidemic of influenza in Panyu District of Guangzhou City during 2012-2015 and provide a scientific basis for prevention and control of influenza. Methods The data of influenza outbreaks in Panyu District of Guangzhou City from 2012 to 2015 were collected for descriptive epidemiological analysis. Results A total of 16 outbreaks of influenza outbreaks were reported in 2012-2015. The average attack rate was 2.32%, mainly from March to June. The school was the main place for influenza outbreak (81.25%). The virus type causing outbreaks was A Subtype (H3N2) and type B dominated. Conclusion Spring and summer are the local influenza susceptibility seasons. Influenza surveillance and prevention and control of key places such as schools should be strengthened.