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目的通过对达州市首例人感染H7N9流感病例的流行病调查分析,为制定有效的防控措施提供依据。方法用描述流行病学方法对达州市首例人感染H7N9流感病例进行分析。结果患者2016年初购买鸡苗和鸭苗,8月出现间断死亡,2017年1月宰杀1只病鸡,2月6日因咳嗽、咳痰、发热先后在当地乡镇卫生院、开江县某私立医院住院治疗病情未见好转,于3月1日转入达州市城区某医院,8日因呼吸衰竭死亡。126名密切接触者无异常,疫情得到有效控制。结论该病例为达州市首例人感染H7N9确诊病例(死亡),外环境检测有阳性点,存在散发病例报告风险,需加大防控力度,强化部门协作。
Objective To investigate the epidemiology of the first human case of H7N9 influenza infection in Dazhou and provide evidence for effective prevention and control measures. Methods Descriptive epidemiological methods were used to analyze the first human case of H7N9 influenza infection in Dazhou. Results In early 2016, patients purchased chickens and ducklings, died in August intermittently, and slaughtered one chickens in January 2017. On February 6, they were successively smoked, sputum and fever in local township hospitals and public hospitals in Kaijiang County Hospital hospitalization condition did not improve, on March 1 transferred to a hospital in downtown Dazhou, died on the 8th due to respiratory failure. There were no abnormalities in 126 close contacts and the outbreak was effectively controlled. Conclusions This case was the first case of human infection of H7N9 in Dazhou City (death). The detection of external environment was positive. There was a risk of sporadic case report. Therefore, the prevention and control should be strengthened and departmental collaboration should be strengthened.