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目的分析十堰市2015年流感样病例暴发疫情的流行病学特征和病原谱构成,为疫情的诊断、预防与控制提供科学依据。方法对十堰市2015年报告的5起流感样病例暴发疫情进行描述流行病学分析;采用实时荧光定量PCR(Real-Time PCR)方法对疫情标本进行14种常见呼吸道病毒的核酸检测。结果 5起流感样病例暴发疫情均发生于城乡中小学校,平均罹患率为3.09%,1、5、9、11、12月各一起,依次由A(H3)型流感病毒、腺病毒、鼻病毒、B型Yamagata系流感病毒及B型Yamagata系流感病毒引起。结论十堰市2015年流感样病例暴发疫情病原主要是流感病毒,其次是腺病毒、鼻病毒等,暴发疫情调查时应开展多种呼吸道病毒检测。
Objective To analyze the epidemiological and pathogenic profiles of influenza-like outbreaks in Shiyan in 2015, and provide a scientific basis for the diagnosis, prevention and control of the epidemic. Methods Epidemiological analysis of five outbreaks of influenza-like cases reported in Shiyan in 2015 was carried out. Real-time PCR was used to detect the nucleic acid of 14 common respiratory viruses. Results Five outbreaks of flu-like illness occurred in primary and secondary schools in urban and rural areas, with an average attack rate of 3.09%. Each of the five outbreaks was caused by influenza A (H3), adenovirus, rhinovirus , Yamagata type B influenza virus and Yamagata type B influenza virus. Conclusion In 2015, the outbreaks of influenza-like illness in Shiyan City were mainly influenza virus, followed by adenovirus and rhinovirus. Various respiratory virus tests should be carried out in outbreak investigation.