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[目的]了解疫情性质及发生的原因,以便采取控制措施,为今后类似疾病的预防与控制提供经验。[方法]对2009年10月27日至11月8日发生在宁强县一初级中学的发热疾病暴发疫情进行调查处理。[结果]全校师生中临床诊断甲型H1N1流感病人82例,均为学生,发病率为8.26%。其中2009年10月27日发病1例、28日1例、29日17例,11月2日1例、4日2例、5日27例、6日21例,7日12例。首例所在的初一(1)班发病率为44.44%,为发病率最高的班。检测20例发热学生的咽拭子,14例甲型H1N1流感病毒核酸阳性。[结论]这是一起甲型H1N1流感暴发疫情。
[Objective] To understand the nature of the epidemic and its causes in order to take control measures to provide experience for the prevention and control of similar diseases in the future. [Method] The outbreak of pyrexia outbreak in a primary middle school in Ningqiang County from October 27 to November 8, 2009 was investigated. [Results] 82 cases of clinical diagnosis of Influenza A (H1N1) in the whole school were students, with a prevalence of 8.26%. Including October 27, 2009 onset in 1 case, 28 cases in 1 case, 29 cases in 17 cases, November 2 in 1 case, 4 days in 2 cases, 5 days in 27 cases, 6 days in 21 cases, 7 days in 12 cases. The first case where the first (1) class incidence was 44.44%, the highest incidence of classes. Throat swabs were detected in 20 cases of fever and 14 cases of influenza A (H1N1) virus were positive. [Conclusion] This is an outbreak of influenza A (H1N1).