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.
Page created: February 16, 2012
Page updated: February 23, 2012
Page reviewed: February 23, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.