About the Authors

Ming-Hua Li, Shi-Hong Fu, Wei-Xin Chen, Huan-Yu Wang, Guo-Dong Liang
State Key Laboratory for Infectious Disease Prevention and Control, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Yu-Hong Guo, Qi-Yong Liu
National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Yi-Xing Li, Hui-Ming Luo
Chinese Center for Disease Control and Prevention, Beijing, China

Wa Da, Dun Zhu Duo Ji, Xiu-Min Ye
Tibet Center for Disease Control and Prevention, Tibet, China

Corresponding Author

gdliang@hotmail.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: M-HL H-YW G-DL. Performed the experiments: M-HL S-HF W-XC. Analyzed the data: M-HL S-HF H-YW G-DL. Contributed reagents/materials/analysis tools: Y-HG Q-YL Y-XL H-ML WD DZDJ X-MY. Wrote the paper: M-HL G-DL.