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

BMC Public Health

Table 2 Reportable gastrointestinal illnesses in Ontario by year, between 2007 and 2009

Reportable disease	2007		2008		2009		Total
	N¹	Incidence /100,000²	N¹	Incidence /100,000²	N¹	Incidence /100,000²	N³	Mean annual incidence /100,000⁴
Amebiasis	814	6.4	761	5.9	559	4.3	2,134	5.5
Botulism	NP	NP	NP	NP	NP	NP	10	0.0
Campylobacteriosis	3,883	30.3	3,789	29.3	3,244	24.8	10,916	28.1
Cryptosporidiosis	406	3.2	335	2.6	307	2.3	1,048	2.7
Cyclosporiasis	95	0.7	103	0.8	143	1.1	341	0.9
Giardiasis	1,612	12.6	1,610	12.4	1,504	11.5	4,726	12.2
Hepatitis A	120	0.9	114	0.9	120	0.9	354	0.9
Listeriosis	39	0.3	95	0.7	55	0.4	189	0.5
Paratyphoid Fever	46	0.4	58	0.4	43	0.3	147	0.4
Salmonellosis	2,819	22.0	2,385	18.4	2,310	17.7	7,514	19.4
Shigellosis	234	1.8	239	1.8	254	1.9	727	1.9
Typhoid Fever	86	0.7	96	0.7	77	0.6	259	0.7
VTEC-illness	317	2.5	278	2.1	165	1.3	760	2.0
Yersiniosis	269	2.1	260	2.0	243	1.9	772	2.0
Total	10,746	84.0	10,125	78.3	9,026	69.1	29,897	77.1

1 - N: The total number of cases reported annually (including domestic, travel, and unknown).
2 – N (per year)/population of Ontario the same year.
3 – N: The number of cases reported over the three years (including domestic, travel, and unknown).
4 - (N (all three years)/3)/mean population of Ontario over the three years.
NP - incidence not presented - incidence for Botulism <5 cases on average per year.

ISSN: 1471-2458