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目的分析衢州市甲型H1N1流感(以下简称甲流)的流行特征及监测情况,为科学防控提供依据。方法收集衢州市2009年甲流疫情资料及监测资料,用Excel 2003和SPSS 13.0对所有数据进行整理和分析。率的比较采用卡方检验,P<0.05差异有统计学意义。结果衢州市2009年共报告甲流238例,其中重症16例、危重6例,无死亡病例报告。238例甲流病例中,累计住院治疗61例,占所有报告病例的25.63%。柯城区报告病例数占所有报告病例数的73.53%,发病时间先上升后下降,以11月份报告病例数最多,发病人群主要是学生,占所有报告发病数的61.34%,无医务人员感染。监测结果显示,衢州市流感样病例(ILI)的阳性率为59.18%,甲流占所有阳性结果的61.80%。结论前期围堵为甲流防控争取了时间,今后还应加强疫情监测的强度和分析的深度,将甲流疫苗接种列入计划免疫,适时调整防控措施。
Objective To analyze the epidemiological characteristics and surveillance status of Influenza A (H1N1) in Quzhou and to provide evidence for scientific prevention and control. Methods The epidemic data and monitoring data of A flu in 2009 in Quzhou City were collected and all the data were sorted and analyzed with Excel 2003 and SPSS 13.0. Rate of comparison using chi-square test, P <0.05 difference was statistically significant. Results A total of 238 cases of A-flow were reported in Quzhou City in 2009, of which 16 were severe and 6 were in critical condition. No deaths were reported. A total of 238 cases of A cases, a total of 61 cases of hospitalization, accounting for 25.63% of all reported cases. The number of reported cases in Kecheng District accounted for 73.53% of all reported cases. The onset time first increased and then decreased. The number of reported cases in November was the largest, with the incidence of mainly 61.34% of all reported cases and no medical staff infection. The monitoring results showed that the positive rate of ILI in Quzhou City was 59.18%, and the flow of A was 61.80% of all the positive results. Conclusion Pre-containment is fighting for the prevention and control of A-flow for a long time. In the future, the intensity of epidemic situation monitoring and the depth of analysis should be strengthened. A-class vaccination should be included in the planned immunization, and the prevention and control measures should be timely adjusted.