What is Mass gathering medicine?
'''Mass Gathering Medicine''' is a field of [[medicine]] which deals with health effects/risks of [[mass gathering]]s,<ref>{{Cite web |url=http://pdm.medicine.wisc.edu/Volume_22/issue_2/arbon.pdf |title=Archived copy |access-date=2012-04-14 |archive-date=2010-06-10 |archive-url=https://web.archive.org/web/20100610192641/http://pdm.medicine.wisc.edu/Volume_22/issue_2/arbon.pdf |url-status=dead }}</ref><ref>Arbon P: Mass gathering medicine: A review of the evidence and future directions for research. Prehosp Didast Med 2007;22(2):131-135</ref><ref>{{cite web |title=Public Health Preparedness for Mass Gatherings |url=http://sis.nlm.nih.gov/enviro/massgatherings.html#a0 |accessdate=2010-11-04 |archive-date=2018-02-06 |archive-url=https://web.archive.org/web/20180206073502/https://sis.nlm.nih.gov/enviro/massgatherings.html#a0 |url-status=dead }}</ref> that generate a higher incidence of injury and illness, may be the subject to a catastrophic accident or attack with large numbers of injured or dead persons.<ref>Franaszek J:Medical care at mass gatherings. Ann Emerg Med 1986;15:60-61 </ref><ref>Thompson JM ''et al.'':Level of medical care required for mass gatherings: The XV Winter Olympic Games in Calgary, Canada. Ann Emerg Med 1991;20(4):385-390</ref> Such factors as the weather, duration of the event, movement of the crowd, containment of the event (fenced/contained or not), availability of alcohol/drugs, the density of the crowd et al., possibility for spreading of communicable diseases all influence the health care at mass gatherings.<ref>Milsten AM ''et al.'':Mass gathering medical care: A review of the literature. Prehosp Disast Med 2002;17(3):151-162</ref><ref>{{cite web|title=Communicable disease alert and response for mass gatherings|url=http://www.who.int/csr/Mass_gatherings2.pdf | accessdate =2010-11-04}}</ref> Purposes of Mass Gathering Medical Services at an event<ref>De Lorenzo RA:Mass gathering medicine: A review. Prehosp Disast Med 1997;12(1):68-72</ref> are: rapid access to the injured or ill pati