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目的了解学校甲型H1N1流感爆发疫情的流行病学特征,为采取针对性措施防控甲型H1N1流感疫情爆发和学校开展健康教育提供科学依据。方法甲型H1N1流感流行期间,采用现场流行病学调查方法对在校学生进行晨检,到学校医务室或到当地医院对就诊的甲型H1N1流感病例资料进行分析。结果此次疫情爆发持续19 d,共报告甲型H1N1流感449例,其中疑似病例443例,实验室确诊病例6例。高峰期主要集中在2009年11月17日至25日,共涉及3个年级32个班,平均罹患率为24.75%。结论甲型H1N1流感起病急,发病率高,持续时间短,有一定聚集性。及时隔离和诊治病例是控制甲型H1N1流感疫情爆发的关键,开展健康教育,增强防病意识,甲型H1N1流感是可防、可控、可治的。
Objective To understand the epidemiological characteristics of influenza A (H1N1) outbreak in schools and provide scientific basis for taking targeted measures to prevent the outbreak of influenza A (H1N1) and developing health education in schools. Methods Influenza A (H1N1) influenza A (H1N1) influenza epidemic period, the use of on-site epidemiological survey of students in the morning seizure, to the school clinic or to the local hospital for treatment of influenza A (H1N1) flu case data analysis. Results The epidemic outbreak lasted for 19 days. A total of 449 cases of Influenza A (H1N1) were reported, including 443 suspected cases and 6 confirmed cases in laboratory. The peak period mainly concentrated on November 17-25, 2009, involving 32 classes in 3 grades with an average attack rate of 24.75%. Conclusion Influenza A (H1N1) influenza is acute and has a high incidence, short duration and certain aggregation. Timely isolation and diagnosis and treatment of cases is the key to control the outbreak of influenza A (H1N1), carry out health education and enhance the awareness of disease prevention. Influenza A (H1N1) is preventable, controllable and curable.