Volume 18, Number 3—March 2012
Research
Chicken as Reservoir for Extraintestinal Pathogenic Escherichia coli in Humans, Canada
Catherine Racicot Bergeron1, Catharine Prussing1, Patrick Boerlin, Danielle Daignault, Lucie Dutil2, Richard J. Reid-Smith, George G. Zhanel, and Amee R. Manges
Table 1
Composition of closely related Escherichia coli clonal groups from humans and retail meat or abattoir source isolates, Canada, 2005–2007*
| Source | No. (%) isolates |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Year |
Geographic area |
Total | |||||||||
| 2005 | 2006 | 2007 | 2008 | QC | ON | BC/AB | SK/MB | Maritimes | |||
| UTI in humans | |||||||||||
| All | 102 (21) | 174 (37) | 137 (29) | 62 (13) | 379 (80) | 37 (8) | 23 (5) | 24 (5) | 12 (3) | 475 (100) | |
| Manges collection† | 102 (21) | 174 (37) | 75 (16) | 0 | 351 (74) | 0 | 0 | 0 | 0 | 351 (74) | |
| Zhanel collection‡ | 0 | 0 | 62 (13) | 62 (13) | 28 (6) | 37 (8) | 23 (5) | 24 (5) | 12 (3) | 124 (26) | |
| Retail meat | |||||||||||
| All | 275 (37) | 243 (33) | 219 (30) | 0 | 521 (71) | 202 (27) | 4 (1) | 10 (1) | 0 | 737 (100) | |
| Beef | 84 (11) | 72 (10) | 86 (12) | 0 | 210 (28) | 32 (4) | 0 | 0 | 0 | 242 (33) | |
| Chicken | 107 (15) | 101 (14) | 45 (6) | 0 | 141 (19) | 99 (13) | 3 (0.4) | 10 (1) | 0 | 253 (34) | |
| Pork | 84 (11) | 70 (9) | 88 (12) | 0 | 170 (23) | 71 (10) | 1 (0.1) | 0 | 0 | 242 (33) | |
| Abattoir | |||||||||||
| All | 133 (38) | 101 (29) | 115 (33) | 0 | 107 (31) | 146 (42) | 48 (14) | 30 (9) | 4 (1) | 349 (100) | |
| Beef | 18 (5) | 22 (6) | 20 (6) | 0 | 11 (3) | 23 (7) | 17 (5) | 8 (2) | 1 (0.3) | 60 (17) | |
| Chicken§ | 89 (26) | 60 (17) | 80 (23) | 0 | 75 (21) | 104 (30) | 27 (8) | 10 (3) | 2 (1) | 229 (66) | |
| Pig¶ | 26 (7) | 19 (5) | 15 (4) | 0 | 21 (6) | 19 (5) | 4 (1) | 12 (3) | 1 (0.3) | 60 (17) | |
| Total | 510 (33) | 518 (33) | 471 (30) | 62 (4) | 1,007 (65) | 385 (25) | 75 (5) | 64 (4) | 16 (1) | 1,561 (100) | |
*QC, Québec; ON, Ontario; BC, British Columbia; AB, Alberta; SK, Saskatchewan; MB, Manitoba; Maritimes, New Brunswick/Nova Scotia/Prince Edward Island; UTI, urinary tract infection.
†351 E. coli isolates recovered from humans with UTIs in Montréal during June 2005–May 2007.
‡124 E. coli isolates from humans with community- or hospital-acquired UTIs from sources throughout Canada during 2007–2008.
§The geographic area was unknown for 11 isolates from chicken.
¶The geographic area was unknown for 3 isolates from pigs.
1These authors contributed equally to this article.
2Deceased.
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Page updated: February 23, 2012
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