作者
Benjamin J Cowling, Lianmei Jin, Eric HY Lau, Qiaohong Liao, Peng Wu, Hui Jiang, Tim K Tsang, Jiandong Zheng, Vicky J Fang, Zhaorui Chang, Michael Y Ni, Qian Zhang, Dennis KM Ip, Jianxing Yu, Yu Li, Liping Wang, Wenxiao Tu, Ling Meng, Joseph T Wu, Huiming Luo, Qun Li, Yuelong Shu, Zhongjie Li, Zijian Feng, Weizhong Yang, Yu Wang, Gabriel M Leung, Hongjie Yu
发表日期
2013/7/13
期刊
The Lancet
卷号
382
期号
9887
页码范围
129-137
出版商
Elsevier
简介
Background
The novel influenza A H7N9 virus emerged recently in mainland China, whereas the influenza A H5N1 virus has infected people in China since 2003. Both infections are thought to be mainly zoonotic. We aimed to compare the epidemiological characteristics of the complete series of laboratory-confirmed cases of both viruses in mainland China so far.
Methods
An integrated database was constructed with information about demographic, epidemiological, and clinical variables of laboratory-confirmed cases of H7N9 (130 patients) and H5N1 (43 patients) that were reported to the Chinese Centre for Disease Control and Prevention until May 24, 2013. We described disease occurrence by age, sex, and geography, and estimated key epidemiological variables. We used survival analysis techniques to estimate the following distributions: infection to onset, onset to admission, onset to laboratory confirmation …
学术搜索中的文章
BJ Cowling, L Jin, EHY Lau, Q Liao, P Wu, H Jiang… - The Lancet, 2013