[Investigating geographical spread of the human infection with avian influenza A (H7N9)virus by online knowledge analysis of the live bird trade with a distributed focused crawler].
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Shan
S
Lu
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Chen
C
Chen
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; College of Software Engineering,Beijing University of Aeronautics & Astronautics.
Weiwen
W
Yu
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Haiyin
H
Wang
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Pengcheng
P
Du
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
Biao
B
Kan
State Key Laboratory for Infectious Diseases Prevention and Control,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China. Email: xujianguo@icdc.cn.
Jianguo
J
Xu
D000818:Animals; D001717:Birds / Q000821:virology*; D002681:China / Q000453:epidemiology; D003195:Computer Communication Networks; D004812:Epidemiologic Methods; D064766:Influenza A Virus, H7N9 Subtype / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology / Q000635:transmission* / Q000821:virology*