Picture shows the Secretary for Health, Welfare and Food, Dr York Chow (second left), the Vice-Minister of the Mainland's Ministry of Health, Professor Huang Jiefu (centre), and the Secretary for Social Affairs and Culture of Macao, Dr Chui Sai-on (second right), at the opening ceremony of the Fourth Joint Meeting of Senior Health Officials of the Mainland, Hong Kong and Macau held in Kunming, Yunnan Province today (October 21).   Close