2017年河北省人感染H7N9禽流感病例流行病学分析  

Epidemiological analysis of human infection with H7N9 avian influenza in Hebei province, 2017

作　　者：高伟[1] 韩旭[2] 谢赟[2] 韩光跃[2] 石丹莹 屈素格 孔令雄[1] 师鉴[1] Gao Wei;Han Xu;Xie Yun;Han Guangyue;Shi Danying;Qu Suge;Kong Lingxiong;Shi Jian(Public Health Emergency Office,Institute for Viral Disease Control and Prevention,Hebei Provincial Center for Disease Control and Prevention,Shijiazhuang 050021,China)

机构地区：[1]河北省疾病预防控制中心突发公共卫生应急办公室,石家庄050021 [2]河北省疾病预防控制中心病毒病防治所,石家庄050021

出　　处：《国际病毒学杂志》2018年第5期296-298,共3页International Journal of Virology

摘　　要：目的分析2017年河北省人感染H7N9禽流感病毒感染病例的流行病学特征。方法选取“中国疾病预防控制信息系统”中2017年河北省人感染H7N9禽流感病例，共计36例，调查分析病例的流行病学特征。结果36例病例以散发为主（34例），分布在32个乡镇，2017年5月份达到发病高峰（20例，55．6％），农民占75．0％（27例），以中老年居多（≥45岁有25例，占69．4％），重症病例占91．7％（33例）。结论中老年是人感染H7N9禽流感的主要易感人群，感染来源主要是家禽跨地区运输和家庭散养。Objective To analyze the epidemiological characteristics of human infection with H7N9 avian influenza virus in Hebei province in 2017. Methods A total of 36 cases of human infection with H7N9 avian influenza virus in Hebei province in 2017 were selected from the ＂China information system for disease control and prevention＂ for the investigation on the epidemiological characteristics of cases. Results The 36 cases were mainly sporadic （34 cases）, and were distributed in 32 townships. The incidence peak was reached （20 cases, 55.6%） in May 2017. Farmers accounted for 75.0% （27 cases） of cases and the majority （25 cases, 69.4%） were middle-aged and elderly people. Severe cases accounted for 91.7% （33 cases）. Conclusions Middle-aged and elderly people were the main susceptible group to human infection with H7N9 avian influenza virus. The sources of infection were mainly transportation of poultry and free-range poultry farming at home.

关 键 词：人感染H7N9禽流感 病毒 流行病学研究 

分 类 号：R511.7[医药卫生—内科学]