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目的分析邳州市某小学1起流感爆发疫情的流行病学特征,探讨预防控制流感的措施和方法。方法用描述性流行病学的方法,对所有病例进行追踪调查,采集患者鼻咽拭子进行流感病毒分离鉴定。结果邳州市某小学流感爆发的罹患率为27 23%,从发病学生的咽拭子中分离出乙型流感病毒株。结论结合流行病学调查、病例临床表现和实验室结果,确定该起爆发疫情是乙型流感爆发。加强晨检、隔离传染源和接种流感疫苗是预防控制流感爆发的重要措施。
Objective To analyze the epidemiological characteristics of a flu outbreak in a primary school in Pizhou City and explore the measures and methods to prevent and control the flu. Methods Descriptive epidemiological methods were used to track all cases and nasopharyngeal swabs were collected for influenza virus isolation and identification. Results The prevalence of influenza in a primary school in Pizhou City was 27 23%. Influenza B strains were isolated from the throat swabs of the affected students. Conclusion Combined with epidemiological investigation, clinical manifestations and laboratory results, it was confirmed that the outbreak was an outbreak of influenza B. Strengthening early screening, isolating sources of infection and vaccination against influenza is an important measure to prevent and control influenza outbreaks.