The tb reference laboratory under the centre for health protection , which was accredited by the who as a supranational tb reference laboratory last year , provides quality tb testing services , including drug susceptibility tests and supports chp in formulating the overall strategy on tb control 生防护中心辖下的结核实验室,去年获世评定为跨国结核参比实验室,提供高质素及包括多种耐药性的结核化验服务,以协助制订整体性的控制结核病策略。