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| PROVINCE | YEAR | NUMBER OF CASES | DURATION (WEEKS) | STRAIN |
|---|---|---|---|---|
| Quebec | 2007 | 94 | 24 | D4 |
| Ontario | 2008 | 53 | 11 | D8 |
| British Columbia | 2010 | 82 | 7 | D82 and H1 |
| Quebec3 | 2011 | 20 | 11 | D4 |
| Quebec4 | 2011 | 678 | 33 | D4 |
2 There were two unique D8 strains circulating during this outbreak. 3 Outbreak commenced February 2011. 4 Outbreak commenced April 2011. This total includes one outbreak-associated case reported in New Brunswick.
