| Authors: |
Ma ES; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China. edmond_sk_ma@dh.gov.hk., Lai RW; Hospital Authority, Kowloon, Hong Kong Special Administrative Region, China., Chuang VW; Hospital Authority, Kowloon, Hong Kong Special Administrative Region, China., Shing BS; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China., Lui L; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China., Hsu E; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China., Kiu E; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China., Chen H; Infection Control Branch, Centre for Health Protection, Department of Health, 147C Argyle Street, Kowloon, Hong Kong Special Administrative Region, China., Tsui EL; Centre for Health Protection, Department of Health, Kowloon, Hong Kong Special Administrative Region, China. |