1The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Nanchang Center for Disease Control and Prevention, Nanchang, 330038, P. R. China,
2State Key Laboratory of Applied Microbiology South China, Guangdong Institute of Microbiology, Guangzhou, 510070, P. R. China,
3College of Marine Technology and Environment, Dalian Ocean University, Dalian, 116023, P. R. China,
4State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, P. R. China,
1The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Nanchang Center for Disease Control and Prevention, Nanchang, 330038, P. R. China,
2State Key Laboratory of Applied Microbiology South China, Guangdong Institute of Microbiology, Guangzhou, 510070, P. R. China,
3College of Marine Technology and Environment, Dalian Ocean University, Dalian, 116023, P. R. China,
4State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, P. R. China,
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Corresponding author:
Kui Wu , Tel: .,
Qingping Wu , Tel: .,