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目的通过分析口岸入境有症状人员甲型H1N1流感排查情况,为今后提高对有症状人员的医学排查效率和细化甲型H1N1流感症状监测提供参考。方法 2009年5—9月,杭州机场口岸对入境有症状人员进行流行病学调查和医学排查将甲型流感确诊病例与排除病例进行对比分析。结果共确诊甲型H1N1确诊病例为19例,经统计分析,确诊病例中具有2种以上症状的比例比被排除者高(χ2=16.692,P<0.05)。确诊病例比被排除人员出现发热体征(χ2=9.315,P<0.05)和咳嗽(χ2=7.719,P<0.05)、咽痛(χ2=19.159,P<0.05)等症状比例更高。结论相比其他有症状人员,甲流患者更易出现多种症状,特别是出现发热、咳嗽和咽痛等症状。因此,症状监测对甲流大流行的预警有一定的意义。
Objective To analyze the investigation of Influenza A (H1N1) influenza in immigrants arriving at the port of entry in order to provide reference for improving the efficiency of medical examination and monitoring the symptoms of Influenza A (H1N1) in the future. Methods From May to September 2009, epidemiological investigation and medical investigation of symptomatic personnel entering Hangzhou at the port of Hangzhou Airport were carried out to compare and analyze the confirmed and excluded cases of influenza A (H1N1). Results A total of 19 confirmed H1N1 cases were diagnosed. According to the statistical analysis, more than 2 kinds of symptoms were found in the confirmed cases (χ2 = 16.692, P <0.05). The diagnosed cases had higher proportion of symptoms such as fever (χ2 = 9.315, P <0.05) and cough (χ2 = 7.719, P <0.05) and sore throat (χ2 = 19.159, P <0.05) Conclusion Compared with other symptomatic people, A-flow patients are more prone to a variety of symptoms, especially fever, cough and sore throat and other symptoms. Therefore, the monitoring of the symptoms of influenza A pandemic alert has a certain significance.