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目的揭示新出现的甲型H1N1流感在湖北省咸宁市的流行病学特征。方法分别收集国家“疾病监测信息报告管理系统”、“甲型H1N1流感信息管理系统”、“中国流感监测信息系统”中,咸宁市2009年报告的甲型H1N1流感、流行性感冒(流感)、流感样病例(ILI)的流行病学监测数据(以发病日期统计),用Excel 2000软件建立数据库进行统计分析。结果 2009年咸宁市共报告甲型H1N1流感41例,其中危重病例2例,无死亡病例。所有病例均为境内感染的本土病例。疫情发病高峰与当年普通季节性流感发病相当。发病集中于市区,暴发主要出现在学校,发病人群以学生为主,绝大多数病例属于轻症病例。流感网络实验室监测结果提示,随着疫情的进展,甲型H1N1流感病毒逐渐成为流感大流行的优势毒株。结论咸宁市甲型H1N1流感疫情流行特点与当地普通季节性流感不尽相同。由于防控得力,未造成疫情大面积传播,为进一步调整防控措施提供有力依据。
Objective To reveal the epidemiological characteristics of newly emerged influenza A (H1N1) in Xianning City, Hubei Province. Methods The Influenza A H1N1 Influenza A / H1N1 Influenza A / H1N1 Influenza A / H1N1 Influenza A / H1N1 Influenza A Influenza (influenza), influenza-like cases (ILI) epidemiological surveillance data (based on the date of onset), using Excel 2000 software to establish a database for statistical analysis. Results In 2009, 41 cases of type A H1N1 influenza were reported in Xianning City, of which 2 were critically ill and no deaths were reported. All cases were domestic cases of domestic infection. The peak of the outbreak was similar to the prevalence of seasonal influenza in the same year. The incidence concentrated in urban areas, the outbreak mainly in schools, the incidence of students to students, the vast majority of cases are mild cases. Influenza network laboratory monitoring results suggest that, with the progress of the epidemic, influenza A H1N1 influenza virus has gradually become the dominant strain of influenza pandemic. Conclusion The prevalence of Influenza A (H1N1) in Xianning is not the same as that of seasonal flu in local areas. Thanks to its effective prevention and control, it has not caused the widespread spread of the outbreak and provided a powerful basis for further adjustment and control measures.