The World Health Organization May 16 2025 The Seventy-eighth session of the World Health Assembly (WHA78) will convene from 19 to 27 May 2025 in Geneva, Switzerland, under the theme "One World for Health".  The Health Assembly will bring together high-level country representatives and other stakeholders to address health challenges. This year's gathering comes at a pivotal moment for global health, as Member States confront emerging threats and major shifts in the landscape for global health