Alert, response, and capacity building under the International Health Regulations (IHR)

About WHO Department of Global Capacities Alert and Response (GCR)

International Health Regulations implementation

Mass gatherings

Mass Gatherings (MGs) are events attended by a sufficient number of people to potentially strain the public health resources of a community, state or nation. MGs are an opportunity for lasting positive legacies for health but can also introduce new and challenging risks that need to be managed.