About the Authors

Chun-Li Wu

Contributed equally to this work with: Chun-Li Wu, Juan Lu, Maggie Haitian Wang

Affiliation The Shenzhen Center for Disease Control and Prevention, Shenzhen, China

Juan Lu

Contributed equally to this work with: Chun-Li Wu, Juan Lu, Maggie Haitian Wang

Affiliations Southern Medical University, Guangzhou, China, Stanley Ho Center for Emerging Infectious Diseases, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China

Maggie Haitian Wang

Contributed equally to this work with: Chun-Li Wu, Juan Lu, Maggie Haitian Wang

Affiliation Division of Biostatistics, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China

Xing Lv

Affiliation The Shenzhen Center for Disease Control and Prevention, Shenzhen, China

Ying Chen

Affiliation Stanley Ho Center for Emerging Infectious Diseases, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China

Hsiang-fu Kung

Affiliation Stanley Ho Center for Emerging Infectious Diseases, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China

Benny Zee

Affiliation Division of Biostatistics, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China

Xiao-wen Cheng

Affiliation The Shenzhen Center for Disease Control and Prevention, Shenzhen, China

Ming-Liang He

mlhe7788@gmail.com

Affiliations Stanley Ho Center for Emerging Infectious Diseases, School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XWC MLH BZ HFK. Performed the experiments: CLW XL YC. Analyzed the data: MW JL. Contributed reagents/materials/analysis tools: MW JL. Wrote the paper: MW MLH.