World Health Day international, regional and local events on the Day related to a particular theme. World Health Day is acknowledged by various governments and non-governmental organizations with interests in public health issues, who also organize activities and highlight their support in media reports, such as the Global Health Council. World Health Day is one of eight official global health campaigns marked by WHO, along with World Tuberculosis Day, World Immunisation Week, World Malaria Day, World No Tobacco Day, World AIDS Day, World Blood Donor Day, and World Hepatitis Day. In 2006, World Health Day was devoted to the health workforce crisis, or
World Health Summit a Rapidly Aging Society"; "Preparedness & Resilience to Disaster"; "Fostering the Next Generation of Global Health Leaders". 600 participants attended this WHS Regional Meeting. The World Health Summit Geneva Meeting was held from April 19–21, 2016. It was a cooperation of the Geneva Health Forum and the World Health Summit. The motto was “Global Health: Sustainable and Affordable Innovation in Healthcare”. In 2017, the fifth WHS Regional Meeting was held in Montreal, Canada, under the Theme "Health and Healthcare Delivery in Pluralistic Societies". Central topics were: New Frontiers in Medical Treatment; Health and Healthcare Delivery for Specific Groups; Environmental, Social