Volume 22, Number 9—September 2016
Letter
Carbapenem-Resistant Enterobacter spp. in Retail Seafood Imported from Southeast Asia to Canada
Table
Carbapenem-resistant Enterobacter species detected in retail seafood products imported from Southeast Asia to Canada*
Sample type, resistant species | No. (%) samples [95% CI] | Origin of seafood | Gene | Antibiogram profile | ST† |
---|---|---|---|---|---|
Shrimp, n = 928 | |||||
E. cloacae | 2 (0.2) [0.03–0.78] | Vietnam | blaIMI-1 | AMC-AMP-(AZM)-FOX‡ | ST411; ST412 |
E. aerogenes |
1 (0.1) [0.003–0.599] |
Bangladesh |
blaIMI-2 |
AMC-AMP-FOX |
NA |
Bivalve mollusks, n = 101 | |||||
E. cloacae | 2 (2.0) [0.24–6.97] | Vietnam, clam | blaNDM-1, blaTEM, blaOXA-1 | AMC-AMP-FOX-TIO-CRO-CHL-CIP-GEN-STR-FIS-TET-TMP/SXT | ST479 |
E. cloacae |
3 (3.0) [0.62–8.44] |
Vietnam, clam |
blaIMI-1 |
AMC-AMP-(AZM)-FOX§ |
ST477; ST478; ST373 |
Cephalopods, n = 240 |
0 [0.00–1.53] |
NA |
NA |
NA |
NA |
Miscellaneous, n = 59 | 0 [0.00–6.06] | NA | NA | NA | NA |
*AMC, amoxicillin/clavulanic acid; AMP, ampicillin; AZM, azithromycin; CHL, chloramphenicol; CIP, ciprofloxacin; FIS, sulfisoxazole; CRO, ceftriaxone; FOX, cefoxitin; GEN, gentamicin; NA, not applicable (no scheme found); ST, sequence type; STR, streptomycin; TET, tetracycline; TIO, ceftiofur; TMP/SXT, trimethoprim/sulfamethoxazole.
†Determined by multilocus sequence typing.
‡ST412 resistant to AZM.
§ST477 and ST373 resistant to AZM.