The Chief Executive, Mrs Carrie Lam (fourth right), holds a press conference on measures to fight disease with the Secretary for Commerce and Economic Development, Mr Edward Yau (first right); the Secretary for Constitutional and Mainland Affairs, Mr Patrick Nip (first left); the Secretary for Security, Mr John Lee (third right); the Secretary for Food and Health, Professor Sophia Chan (fourth left); the Director of Immigration, Mr Tsang Kwok-wai (second right); the Director of Health, Dr Constance Chan (third left); and the Chief Executive of the Hospital Authority, Dr Tony Ko (second left), at the Central Government Offices, Tamar, today (January 31).