湖南省永兴县2009—2010年流感暴发疫情分析

Influenza outbreaks in Yongxing,Hunan in 2009 and 2010

目的分析湖南省永兴县2009—2010年流感暴发疫情特征,为科学防治流感提供依据。方法收集永兴县2009—2010年所有流感暴发疫情的现场调查资料和实验室检测结果,利用χ2检验对资料进行分析统计。结果报告疫情24次,发病804例,平均发病率为3.13%。疫情主要发生在学校,流行高峰为冬季和夏季,引起暴发的病毒有甲、乙2型,以甲型H1N1亚型为主。结论加强学校卫生、及早报告疫情并接种流感疫苗对预防控制流感至关重要。建议永兴县建立哨点医院,加大疫情监测力度。

Objective To analyze the characteristics of influenza outbreaks in Yongxing, Hunan from 2009 to 2010, so as to provide scientific evidence for prevention and control of influenza. Methods On-the-spot investigation data of influenza outbreaks and laboratory test results were collected and chi-square test was used to analyze the data. Results Twenty-four influenza outbreaks occurred and 804 cases were found with the average incidence rate of 3.13%. The outbreaks mainly occurred in schools, and the peak of influenza epidemics in summer and winter. The viruses causing the outbreaks were influenza virus type A and B, and the main one was influenza A virus subtype H 1NI. Conclusions It is of great importance to improve school sanitation, report epidemic situation earlier and vaccinate against influenza for the prevention and control of influenza. It is suggested that sentinel hospitals should be set up and the monitoring of the epidemic situations strengthened in Yongxing, Hunan.