About the Authors
State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
Key Laboratory of Agricultural and Environmental Microbiology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China
Liupanshui Vocational and Technical College, Liupanshui, Guizhou, China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: HL SLL CPY. Performed the experiments: XYT QT SR GDL. Analyzed the data: XYT SR ZYG NH WF JA MS. Contributed reagents/materials/analysis tools: QT SR GDL. Wrote the paper: XYT QT SR JA.