Table 3. Prevalence of antimicrobial-resistant Escherichia coli isolated from urban rodents in Hanoi, Vietnam.
| Antimicrobial agentsa) | Antimicrobial classes | No. of resistant isolates (%) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| GTVT hospital | Ha Dong hospital | Dong Tam market | Thanh Cong market | Ha Dong market | Phung Khoang market | Thai Ha market | Giap Bat cargo station | Subtotal | Total | ||
| n=2 | n=12 | n=3 | n=15 | n=6 | n=10 | n=2 | n=9 | n=59 | |||
| ABP | Beta-lactams | 2 (100) | 11 (91.7) | 2 (66.7) | 12 (80) | 5b) (83.3) | 8 (80) | 1 (50) | 6 (66.7) | 47 (79.7) | 50 (84.7) |
| ACV | 0 | 2 (16.7) | 0 | 4 (26.7) | 2 (33.3) | 4 (40) | 0 | 1 (11.1) | 13 (22.0) | ||
| CDZ | 0 | 3 (25) | 0 | 2 (13.3) | 1 (16.7) | 7 (70) | 0 | 1 (11.1) | 14 (23.7) | ||
| CTX | 0 | 4 (33.3) | 1 (33.3) | 1 (6.7) | 2 (33.3) | 7 (70) | 0 | 3 (33.3) | 18 (30.5) | ||
| CIP | Quinolone | 1 (50) | 7 (58.3) | 0 | 7 (46.7) | 3 (50) | 7 (70) | 0 | 1 (11.1) | 26 (44.1) | 43 (72.9) |
| NA | 0 | 10 (83.3) | 1 (33.3) | 11 (73.3) | 4 (66.7) | 9 (90) | 1 (50) | 4 (44.4) | 40 (67.8) | ||
| CP | Chloramphenicol | 1 (50) | 7 (58.3) | 1 (33.3) | 6 (0.4) | 3 (50) | 7 (70) | 0 | 2 (22.2) | - | 27 (45.8) |
| GM | Aminoglycoside | 0 | 5 (41.7) | 0 | 5 (33.3) | 1 (16.7) | 2 (20) | 0 | 0 (0) | - | 13 (22.0) |
| ST | Sulfonamide | 2 (100) | 9 (75) | 1 (33.3) | 9 (60) | 3 (50) | 9 (90) | 0 | 2 (22.2) | - | 35 (59.3) |
| TC | Tetracycline | 2 (100) | 9 (75) | 2 (66.7) | 14 (93.3) | 5b) (83.3) | 9 (90) | 0 | 5 (55.6) | - | 46 (78.0) |
| Multi-drug resistant | 2 (100) | 10 (83.3) | 1 (33.3) | 12 (80) | 4 (66.7) | 9 (90) | 0 | 4 (44.4) | - | 42 (71.2) | |
a) ABP: Ampicillin, ACV: Amoxicillin−Clavulanate, CDZ: Cefodizime, CTX: Cefotaxime, CIP: Ciprofloxacin, NA: Nalidixic acid, CP: Chloramphenicol, GM: Gentamicin, ST: Sulfamethoxazole−Trimethoprim, TC: Tetracycline. b) Including an isolate from Rattus rattus.