Abstracts Due: May 31, 2017. Conference Dates: October 29 - 31, 2017. Ottawa, Canada. LEAVING NO ONE BEHIND? REFLECTIONS FOR ACTION IN A CHANGING WORLD. Abstracts can be for oral and poster presentations, for workshops and symposia, and for videos. Submissions can address any global health topic, must directly relate to the conference theme and at least one of the sub-themes.