Table 1.

Summary of Emergency Department Syndromic Surveillance (EDSyS) systems by country/territory, detailing the number of systems, start date, coverage, initial design aim and the number (and type) of studies identified in this review

Country/territory	Number of systems	Earliest start yeara	Coverage of individual system(s)		Initial design of system(s)		Number of studies identifiedb
			National	Subnational	Aim	Event type	Journal papers	ISDS abstracts
Albania	1	2013a	✓	–	Standard surveillance	No specific event	1	0
Australia	3	2003	–	✓	Preparation	Mass gathering (sport)	18	2
					Standard surveillance	No specific event
Canada	19	2002	–	✓	Preparation	Mass gathering (religious)	14	18
					Standard surveillance	No specific event
China	2	2004a	–	✓	Response	Outbreak (SARS)	0	2
France	1	2004	✓	–	Response	Natural disaster (heatwave)	7	25
Greece	1	2002	–	✓	Preparation	Mass gathering (sport)	0	2
Italy	2	2000	–	✓	Standard surveillance	No specific event	5	0
Jamaica	1	2007	✓	–	Preparation	Mass gathering (sport)	0	1
Republic of Korea	1	2002	✓	–	Preparation	Mass gathering (sport)	2	1
					Standard surveillance	No specific event
New Zealand	1	2008	–	✓	Standard surveillance	No specific event	2	0
Singapore	1	2013a	✓	–	–	–	0	1
Spain	1	2010a	–	✓	Standard surveillance	No specific event	2	0
Taiwan	2	2003	✓	✓	Response	Outbreak (SARS)	3	5
UKc	1	2010	✓	–	Preparation	Mass gathering (sport)	15	3
USA	78	1999	✓	✓	Preparation	Mass gathering (sport)	67	365
						Mass gathering (political)
						Natural disaster (hurricane)
					Response	Terrorism
						Outbreak (SARS)
					Standard surveillance	Health surveillance requirements
						No specific event

^a Start date not specified in all systems, so estimated from data used/ text ^b excluding reviews

^c UK: England & Northern Ireland ✓ EDSyS system in this category identified - no EDSyS system in this category/no information identified