Interflow with Health Care Professionals Outside Hong Kong 

•         The Interflow between Public Health Nurses and Visitors from China (2010)

•         Experience Sharing on "The 19^th World Conference on Health Promotion and Health Education" (2007)

•         Experience Sharing on "2007 ACMG Annual Clinical Genetics Meeting" (2007)

•         Experience Sharing on "The Third Conference on the Co-ordination of Planned Immunisation in Major Mainland Cities" (2006)

•         Experience Sharing on "The 16^th International AIDS Conference" (2006)

•         The 9^th International Union against Sexually Transmitted Infections (IUSTI) World Congress in Thailand (2005)

•         Sharing of Experience Healthy Eating at School - California Exchange Tour 2005 (2005)

•         Experience Sharing on "Overseas Training on Field Epidemiology in Ottawa 2005" (2005)

•         Experience Sharing on "The 7^th Beijing and Hong Kong Medical Exchange Meeting - AIDS and Sexual Health" (2005)

•         Sharing Experience of Visit to Mayo Clinic (2005)

•         Training on Infection Control and Epidemiology in Salt Lake City USA (2005)

•         Participation of PNO in the Second Macao-Hong Kong Nursing Conference as the Keynote Speaker on 27 November 2004 (2004)

•        Overseas Training on Child Assessment Service in USA (2004)