Table 3.

Total Estimated Domestically Acquired Foodborne Illness in Canada, Estimated Cases per 100,000 and Pathogen Rank

Pathogen	Mean count	% of total (30 pathogens)	Estimated cases per 100,000	Overall rank	Rank for pathogens based primarily on Canadian data	Rank for pathogens based on limited Canadian data
Norovirus	1,047,733	65.12	3,223.79	1		1
Clostridium perfringens	176,963	11.00	544.50	2		2
Campylobacter spp.	145,350	8.42	447.23	3	1
Salmonella spp., nontyphoidal	87,510	5.07	269.26	4	2
Bacillus cereus	36,269	2.25	111.60	5		3
Yersinia enterocolitica	25,915	1.49	79.74	6	3
Staphylococcus aureus	25,110	1.56	77.26	7		4
VTEC non-O157	20,523	1.19	63.15	8		5
VTEC O157	12,827	0.75	39.47	9	4
Sapovirus	9491	0.59	29.20	10		6
Toxoplasma gondii	9132	0.57	28.10	11		7
Giardia spp.	7776	0.45	23.93	12	5
Rotavirus	4252	0.26	13.08	13		8
ETEC	3848	0.22	11.84	14		9
Adenovirus	3739	0.23	11.51	15		10
Escherichia coli, other diarrheagenic	2565	0.15	7.89	16		11
Cyclospora cayetanensis	2450	0.14	7.54	17	6
Cryptosporidium spp.	2321	0.13	7.14	18	7
Astrovirus	1912	0.12	5.88	19		12
Vibrio parahaemolyticus	1798	0.10	5.53	20	8
Shigella spp.	1202	0.07	3.70	21	9
Vibrio, other spp.	1112	0.06	3.42	22	10
Salmonella Typhi	287	0.02	0.88	23	11
Hepatitis A	271	0.02	0.83	24	12
Listeria monocytogenes	178	0.01	0.55	25	13
Trichinella spp.	63	<0.01	0.19	26	14
Brucella spp.	22	<0.01	0.07	27	15
Clostridium botulinum	14	<0.01	0.04	28	16
Vibrio vulnificus	1	<0.01	0.00	29	17
Vibrio cholerae, toxigenic	0	0.0	0.00	30	18

VTEC, verotoxigenic Escherichia coli; ETEC, enterotoxigenic Escherichia coli.