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[目的]对广州市2009年报告的甲型H1N1流感暴发疫情进行分析,探讨流行特征及采取的防制措施,为控制暴发提供科学依据。[方法]设计统一调查表,对甲型H1N1流感暴发疫情进行现场调查,采集现症病例咽拭子标本进行核酸检测,采用Excell录入数据,EPIinfo6软件进行统计分析。[结果]2009年广州市共报告甲型H1N1流感暴发疫情205起,累计报告流感样病例6730人,涉及316029人,罹患率介于0.02%～80.00%。学校及托幼机构起报告196起,占95.61%。疫情9月和11月出现两个发病高峰。[结论]2009年广州市甲型H1N1流感活跃程度较高,6月份后不断有甲流暴发疫情,学校及托幼机构是高发人群。及时隔离治疗现症病人、加强居室通风换气、提高个人防护意识能有效控制疫情的扩散和蔓延;应加强学校等重点人群监测。
[Objective] To analyze the epidemic situation of Influenza A (H1N1) outbreak reported by Guangzhou in 2009, discuss the epidemic characteristics and preventive measures, and provide a scientific basis for controlling the outbreak. [Methods] A unified questionnaire was designed to investigate the outbreak of influenza A (H1N1). The samples of throat swabs were collected for detection of nucleic acid. Excell data and EPIinfo6 software were used for statistical analysis. [Results] In 2009, a total of 205 influenza H1N1 outbreaks were reported in Guangzhou City. A total of 6,730 flu-like cases were reported, involving 316029 people, ranging from 0.02% to 80.00%. Schools and nurseries started 196 reports, accounting for 95.61%. Two peak incidences occurred in September and November. [Conclusion] Influenza A (H1N1) in Guangzhou was highly active in 2009, and outbreaks of H1N1 influenza continued to occur after June. Schools and kindergartens were high-risk groups. Timely isolation and treatment of patients with current illness, strengthen room ventilation, improve personal protection awareness can effectively control the spread and spread of the epidemic; should strengthen the monitoring of key populations such as schools.