TABLE 1.
Total numbers of molluscan samples tested during May to October of each year from Canadian harvest sites on both coasts
| Yr | Total no. of samples tested | East (Atlantic) coast |
West (Pacific) coast |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of samples | No. of samples (%) positive for: |
No. of samples | No. of samples (%) positive for: |
||||||||||||
| V. parahaemolyticus | V. alginolyticus | V. vulnificus | V. cholerae | V. fluvialis | Unidentified Vibrio spp. | V. parahaemolyticus | V. alginolyticus | V. vulnificus | V. cholerae | V. fluvialis | Unidentified Vibrio spp. | ||||
| 2006 | 31 | 15 | 8 | NIa | 0 | 0 | NI | NI | 16 | 10 | NI | 0 | 0 | NI | NI |
| 2007 | 37 | 18 | 8 | 13 | 2 | 1 | 0 | 0 | 19 | 12 | 19 | 0 | 0 | 0 | 0 |
| 2008 | 46 | 22 | 8 | 19 | 8 | 0 | 3 | 4 | 24 | 15 | 22 | 4 | 0 | 4 | 6 |
| 2009 | 59 | 27 | 10 | 26 | 6 | 0 | 3 | 5 | 32 | 15 | 32 | 6 | 1 | 7 | 6 |
| 2010 | 62 | 29 | 16 | 29 | 7 | 1 | 1 | 6 | 33 | 18 | 32 | 1 | 1 | 4 | 7 |
| 2011 | 54 | 23 | 12 | 22 | 5 | 0 | 3 | 3 | 31 | 12 | 27 | 3 | 1 | 2 | 10 |
| 2012 | 54 | 23 | 21 | 23 | 5 | 0 | 2 | 6 | 31 | 23 | 31 | 4 | 2 | 2 | 7 |
| Sum | 343 | 157 | 83 (53) | 132 (93)b | 33 (21) | 2 (1) | 12 (8)b | 24 (17)b | 186 | 105 (56) | 163 (96)b | 18 (10) | 5 (3) | 19 (11)b | 36 (21)b |
a
NI, not isolated.
b
As this species was not isolated in 2006, the total number of samples was adjusted to calculate the average frequency (% positive).