1. Department of Microbiology; The University of Hong Kong; Hong Kong China
2. State Key Laboratory of Emerging Infectious Diseases; The University of Hong Kong; Hong Kong China
3. Research Centre of Infection and Immunology; The University of Hong Kong; Hong Kong China
4. Carol Yu Centre for Infection; The University of Hong Kong; Hong Kong China
5. Department of Medicine; Li Ka Shing Faculty of Medicine; The University of Hong Kong; Hong Kong China