Mass gatherings are events attended by a sufficient number of people to strain the planning and response resources of the host community, state/province, nation, or region where it is being held.[1][2] Definitions of a mass gathering generally include the following:
Mass gatherings are usually sporting events (such as Olympic Games) or religious pilgrimages (such as Kumbh Mela or Arba'een Pilgrimage). They are highly visible [3] and in some cases, millions of people attend them.