128例人感染H7N9禽流感流行病学分析  

An epidemiological analysis of 128 confirmed human cases of avian influenza A(H7N9) virus infection

作　　者：姜立民[1] 高孟[1] 罗永能[1] 

机构地区：[1]浙江省医学科学院病毒病研究所, 杭州,310013

出　　处：《国际流行病学传染病学杂志》2013年第3期-,共4页International Journal of Epidemiology and Infectious Disease

基　　金：浙江省医学重点学科群建设计划，浙江省医学生物工程疫苗研发重点实验室

摘　　要：目的 了解人感染H7N9禽流感病毒的流行病学特征.方法 对128例人感染H7N9禽流感确诊病例的相关数据进行统计,按发病地点、时间、患者年龄和性别分布、临床症状轻重等方面进行总结分析.结果 上述病例绝大多数发生在江浙沪地区.患者主要为中老年人,并且男性发病率和死亡率分别为67.19％和61.54％,明显高于女性的28.91％和23.08％.临床症状大多为重症/危重及死亡,而且不同程度临床症状的患者中,男性也明显多于女性.结论 中国大陆人感染H7N9禽流感确诊病例的流行病学特征呈现出男性的发病率与死亡率明显高于女性,患者中中老年人明显多于青少年的罕见情形.Objective To understand the epidemiological characteristics of H7N9 avian influenza A virus.Methods According to the data associated with human H7N9 cases obtained from and confirmed with multiple sources,those factors including geographical,temporal,age and sex distributions as well as clinical severity were analyzed and summarized statistically.Results The major cases happened in Jiangsu,Zhejiang and Shanghai.Patients were mainly wrinkly and elderly people.Among them,the morbidity and mortality of male were 67.19％ and 61.54％,and were apparently much higher than those of female(28.91％ and 23.08％).Most cases were severe or fatal,and male obviously accounted for majority of all patients regardless of their clinical seriousness.Conclusions The epidemiological features of human cases of avian influenza A(H7N9) virus infection in China's Mainland show the morbidity and mortality of male are obviously higher than those of female and most patiants are wrinkly and elderly people.

关 键 词：禽流感 H7N9亚型 流行病学 

分 类 号：R181[医药卫生—流行病学] R51[医药卫生—公共卫生与预防医学]