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目的通过分析香格里拉县首起学校甲型H1N1流感暴发疫情的发现和处置情况,总结防控经验,为控制学校甲型H1N1流感暴发提供参考。方法采用现场流行病学调查方法,对香格里拉县首起学校甲型H1N1流感暴发疫情中发生的病例进行个案调查,对发病3d内的部分现症患者采集咽拭子标本,进行甲型H1N1流感病毒核酸检测,对密切接触者进行7d的医学观察。结果 2009年10月6～24日,该校共报告流感样病例73例,其中实验室确诊甲型H1N1流感病例12例,疫情持续19d,无重症和死亡病例。结论该起疫情为香格里拉县首起学校甲型H1N1流感暴发疫情,感染来源为国庆放假期间学生社区感染后引入学校所致。
Objective To analyze the detection and treatment of Influenza A (H1N1) outbreaks in the first school in Shangri-La County and summarize the experience of prevention and control so as to provide reference for controlling the outbreak of Influenza A (H1N1) in schools. Methods The field epidemiological investigation method was used to investigate the cases of outbreak of H1N1 influenza in the first school in Shangri-La County. Throat swab samples were collected from some patients who were infected within the first 3 days. Influenza A Nucleic acid detection, close contact with the 7d medical observation. Results From October 6 to October 24, 2009, a total of 73 cases of influenza-like illness were reported in the school. Among them, 12 cases of influenza A (H1N1) were confirmed in the laboratory and the epidemic continued for 19 days without any serious or fatal cases. Conclusion The outbreak was the first outbreak of influenza A (H1N1) in Shangri-La County. The source of infection was caused by the introduction of schools after the student community infection during the National Day holiday.