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目的对一起学校甲型流感疫情的流行病学调查和疫情控制,分析学校流感暴发流行的因素,对广州人口密集中心城区学校流感的防控提供依据。方法用流感调查表对病例进行流行病学调查,采集咽漱液送广州市疾控中心实验室进行流感病毒分离及分型。结果全校共发病30人,罹患率4.0%,二年4班发病23人,班罹患率52.4%,采集的7份咽漱液标本中,5份流感H3阳性。结论此次为一起甲型流感暴发疫情。加强流感等学校传染病的疫情监测、报告、处理,完善传染病防控体系,落实学校卫生老师传染病管理职责,对学校流感暴发疫情的防控有重要意义。
Objective To analyze the epidemiological and epidemic situation of Influenza A in schools and to analyze the prevalence factors of influenza in schools and to provide basis for the prevention and control of influenza in schools in densely populated downtown of Guangzhou. Methods Epidemiological investigation of cases was conducted with the flu questionnaire. The pharyngeal swab was collected and sent to the Guangzhou CDC Laboratory for influenza virus isolation and typing. Results The total incidence of the school a total of 30 people, the attack rate of 4.0%, two classes of 4 classes 23 people, class attack rate of 52.4%, 7 samples collected pharyngeal swab samples, 5 were positive for influenza H3. Conclusion This is an outbreak of influenza A. It is of great significance to strengthen the prevention and control of epidemics of school-based infectious diseases such as influenza and other infectious diseases as well as the prevention and control of communicable disease.