Cowling Benjamin J, Yu Hongjie
School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Lancet. 2015 Jan 3;385(9962):7-9. doi: 10.1016/S0140-6736(14)61895-X. Epub 2014 Oct 21.