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目的对福建省首例人感染H7N9禽流感病例进行现场流行病学调查,探索可能的感染来源,为进一步认识与防治人感染H7N9禽流感提供依据。方法运用描述流行病学方法对患者、密切接触者开展现场流行病学调查,并采集患者、密切接触者标本进行检测分析。结果福建省首例人感染H7N9禽流感病例于2013年4月26日确诊,5月10日出院,为重症病例,有基础性疾病史,发病前7d内有明确的活禽接触史,37例密切接触者经过7d的医学观察无发热等症状,未发现人与人之间传播证据。结论福建省首例人感染H7N9禽流感病例属于散发病例,未发现人传人现象,感染途径可能是禽到人或禽环境到人。
Objective To investigate the epidemiological investigation of H7N9 bird flu in Fujian Province and explore the possible sources of infection, so as to provide basis for further understanding and prevention of H7N9 bird flu. Methods Epidemiological methods were used to carry out on-site epidemiological investigation of patients and close contacts, and samples of patients and close contacts were collected for detection and analysis. Results The first case of H7N9 bird flu in Fujian Province was diagnosed on April 26, 2013 and was discharged on May 10. It was a severe case and had a history of basic diseases. There was a clear history of live poultry within 7 days before onset, and 37 cases Close contacts after 7 days of medical observation without fever and other symptoms, no evidence of transmission between humans was found. Conclusions The first case of H7N9 bird flu in Fujian Province belongs to the sporadic cases, and no human-to-human transmission phenomenon was found. The route of infection may be from poultry to human or poultry environment.