1. Institute of Pathogenic Biology; Medical College; University of South China; Hengyang 421001 China
2. Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control; Hengyang 421001 China
3. Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study; Hengyang 421001 China
4. Clinical laboratory; The First Affiliated Hospital of University of South China; Hengyang 421000 China
5. State 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 China
6. Clinical laboratory; Hengyang No.1 People's Hospital; Hengyang 421001 China