摘要
为探讨新型H7N9禽流感病例发病特征和可能感染来源,对杭州市萧山区2013年4月1-21日6例确诊人感染H7N9病例进行流行病学调查分析。6例病例发病前7天均有农贸市场环境暴露史,农贸市场外环境标本采样H7N9病毒核酸阳性率为47.06%(16/34)。病例感染可能与农贸市场环境暴露有关。
To understand the epidemiological characteristics and infection source of human infection with influenza A （ H7N9） virus, epidemiological analysis was conducted for 6 cases of human infection with influenza A （H7N9） virus occurred in Xiaoshan during 1 - 21 April 2013. The analysis indicated that all the 6 cases had farm produce market exposure histories. The H7N9 viral nucleic acid positive rate was 47. 06% in environment samples collected in farm produce markets （16/34）.
出处
《疾病监测》
CAS
2014年第1期71-72,共2页
Disease Surveillance
关键词
人禽流感
流行病学
H7N9
human infection with avian influenza virus
epidemiology
H7N9
