RT Journal Article SR Electronic(1) A1 Feng, L A1 Wu, J T A1 Liu, X A1 Yang, P A1 Tsang, T K A1 Jiang, H A1 Wu, P A1 Yang, J A1 Fang, V J A1 Qin, Y A1 Lau, E H A1 Li, M A1 Zheng, J A1 Peng, Z A1 Xie, Y A1 Wang, Q A1 Li, Z A1 Leung, G M A1 Gao, G F A1 Yu, H A1 Cowling, B J YR 2014 T1 Clinical severity of human infections with avian influenza A(H7N9) virus, China, 2013/14 JF Eurosurveillance VO 19 IS 49 SP 20984 OP DO https://doi.org/10.2807/1560-7917.ES2014.19.49.20984 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES2014.19.49.20984