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Table 5 Sporadic domestic reportable gastrointestinal illnesses in Ontario by exposure source and setting between 2007 and 2009

From: A descriptive study of reportable gastrointestinal illnesses in Ontario, Canada, from 2007 to 2009

Reportable disease Primary source (%)* Primary setting (%)†
  n Animal Food Person Water Other n Food premises Private home Other
Amebiasis 120 1.7% 8.3% 82.5% 5.8% 1.7% 15 33.3% 26.7% 40.0%
Botulism 1 0.0% 100.0% 0.0% 0.0% 0.0% 0 0.0% 0.0% 0.0%
Campylobacteriosis 1,272 26.9% 63.1% 6.0% 2.8% 1.3% 796 31.2% 47.5% 21.3%
Cryptosporidiosis 161 47.2% 9.3% 11.8% 29.2% 2.5% 92 2.2% 16.3% 81.5%
Cyclosporiasis 18 0.0% 100.0% 0.0% 0.0% 0.0% 10 70.0% 20.0% 10.0%
Giardiasis 344 14.2% 5.5% 36.0% 40.7% 3.5% 164 3.7% 33.5% 62.8%
Hepatitis A 54 0.0% 7.4% 87.0% 0.0% 5.6% 16 25.0% 50.0% 25.0%
Listeriosis 12 8.3% 75.0% 8.3% 8.3% 0.0% 9 22.2% 44.4% 33.3%
Paratyphoid Fever 2 0.0% 50.0% 50.0% 0.0% 0.0% 1 0.0% 100.0% 0.0%
Salmonellosis 1,148 15.2% 73.1% 9.9% 1.3% 0.4% 754 37.7% 48.4% 14.0%
Shigellosis 90 0.0% 16.7% 80.0% 0.0% 3.3% 28 46.4% 50.0% 3.6%
Typhoid Fever 2 0.0% 0.0% 50.0% 0.0% 50.0% 2 0.0% 100.0% 0.0%
VTEC-illness 158 18.4% 49.4% 19.6% 10.8% 1.9% 106 28.3% 43.4% 28.3%
Yersiniosis 84 15.5% 81.0% 1.2% 0.0% 2.4% 65 15.4% 66.2% 18.5%
Total 3,466 19.8% 54.2% 16.9% 7.6% 1.5% 2,058 29.7% 45.5% 24.8%
  1. * Primary source identified on case interview, excludes cases with multiple exposures, travel cases, outbreak cases, and cases with unknown exposures; “other” primary sources include fomites (clothing, towels), and environmental factors.
  2. † Primary setting is the type of location where exposure took place based on case interview, excludes cases with multiple exposures, travel cases, outbreak cases, and cases with unknown exposures; “other” primary settings include hospitals, long-term care homes, prisons, schools, and campsite.