Location Surveillance institution Total outbreaks Time period Median% of outbreaks/year (IQR) Outbreak setting Australia, Adelaide [1 ] Institute of Medical and Veterinary Science 136 Jan 2001–Mar 2007 7% (4%–7%) H primarily, other% not provided Australia, Victoria [17 ] Victoria Department of Human Services 1018 Jan 2002–Dec 2007 14% (9%–23%) H 70%, other% not provided Canada, Alberta Alberta Health 1669 Jan 2002–Dec 2012 9% (8%-9%) H 88%, R 3%, C 4%, P 1%, T 10%, O 4% England and Wales [18 ] Public Laboratory Service Communicable Disease Surveillance Centre 1877 Jan 1992–Dec 2000 11% (7%–16%) H 79%, R 6%, C 4%, P 0%, T 8%, O 3% Germany [19 ] Robert Koch Institute, Department of Infectious Disease Epidemiology 31644 Aug 2001–Jul 2009 6% (5%–18%) H 60%, R <1%, C 10%, P 24%, T <1%, O 6% Hong Kong [1 ] Centre for Health Protection 367 Jan 2001–Mar 2007 11% (9%–15%) Does not indicate Hungary (2005) [20 ] State Public Health Services and OEK National Centre for Epidemiology 273 Jan 1998–Dec 2003 11% (3%–28%) H 58%, R 3%, C 23%, P 0%, T 0%, O 16% Hungary (2009) [1 ] Regional Institute of State Public Health Services 689 Jan 2001–Mar 2007 12% (10%–17%) H primarily, other% not provided Japan, Osaka City (2002) [21 ] Osaka City Institute of Public Health and Environmental Sciences 64 Apr 1996–Mar 2000 20% (15%–29%) H 0%, R 47%, C 0%, P 0%, T 24%, O 29% Japan, Osaka City (2009) [1 ] Osaka City Institute of Public Health and Environmental Sciences 317 Jan 2001–Mar 2007 20% (15%–29%) Does not indicate Netherlands [22 ] National Institute of Public Health and the Environment 695 Dec 1994–Dec 2005 6% (4%–9%) H 79%, R 8%, C 5%, P 0%, T 2%, O 6% New Zealand [23 ] New Zealand Ministry of Health 1206 Jan 2002–Dec 2009 14% (7%–16%) H 64%, R 17%, C 5%, P 5%, T 4%, O 5% Norway [24 ] Norwegian Institute of Public Health 204 Jan 2001–Aug 2005 13% (12%–32%) H 84%, other% not provided Spain, Catalonia [25 ] Public Health Agency of Catalonia 128 Jan 2010–Dec 2012 27% (25%–38%) H 28%, R 30%, C 9%, P 9%, T 14%, O 10% Spain, Catalonia and Valencia [26 ] Not indicated 169 Jan 2001–Dec 2006 13% (12%–24%) H 35%, R 16%, C 7%, P 10%, T 25%, O 7% US (2002) [27 ] Centre for Disease Control and Prevention 201 Jul 1997–Jun 2000 23% (18%–30%) H 25%, R 39%, C 13%, P 0%, T 10%, O 12% US (2006) [28 ] Centre for Disease Control and Prevention 184 Jul 2000–Jun 2004 20% (19%–22%) H 31%, R 28%, C 11%, P 2% T 18%, O 10% US (2011) [29 ] State and territorial public health departments 2866 Jan 2007–Apr 2010 27% (24%–28%) H 65%, other% not provided
