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目的通过分析茂名市首起学校甲型H1N1流感暴发疫情的发现和处置情况,总结防控经验,为控制学校甲型H1N1流感暴发疫情提供参考。方法采用现场流行病学调查方法,对茂名市首起学校甲型H1N1流感暴发疫情中发生的病例进行个案调查。对发病3 d内的现症患者采集咽拭子标本,采用Real-time RT-PCR方法检测甲型H1N1流感病毒核酸。对密切接触者进行7d的医学观察。收集学校所在社区部分流感样病例咽拭子标本,了解甲型H1N1流感病毒感染状况。结果2009年8月26日至9月7日期间,该校共报告流感样病例72例,疫情持续13 d;采集34例流感样病例的咽拭子标本进行检测,结果显示26份标本甲型H1N1流感核酸呈阳性。结论该起疫情为茂名市首起学校甲型H1N1流感暴发疫情,感染来源为社区感染。
Objective To analyze the detection and treatment of Influenza A (H1N1) outbreaks in the first school in Maoming, summarize the prevention and control experience, and provide reference for controlling the outbreak of Influenza A (H1N1) in schools. Methods An epidemiological survey was conducted to investigate the cases of outbreak of H1N1 influenza in the first school in Maoming. Throat swab specimens were collected from patients with the disease within 3 days of onset and the nucleic acid of influenza A (H1N1) virus was detected by Real-time RT-PCR. 7d medical observation of close contacts. Collect throat swab samples from some flu-like cases in the community where the school is located to understand the status of the H1N1 influenza virus infection. Results A total of 72 influenza-like illness cases were reported from August 26 to September 7, 2009. The epidemic lasted for 13 days. A total of 34 throat swab samples from influenza-like illness were collected and tested. The results showed that 26 samples H1N1 influenza nucleic acid was positive. Conclusion The outbreak was the first school outbreak in the city of Maoming. Influenza A (H1N1) outbreaks were reported. The source of infection was community infection.