Table 1.
Occurrence of antimicrobial resistance among Salmonella serovar Stanley isolates from Thai, Danish, and French patients during 2008
| Country | Origin | Total no. of isolates | No. (%) of isolates resistant to various antimicrobial agents at the indicated breakpoint(s) (μg/ml)a |
|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMC ≥32 | AMP >8 | APR >32 | CTX >0.5 | CHL >16 | CIP |
COL >2 | FFN >16 | GEN >2 | NAL >16 | NEO >4 | SPT >64 | STR >16 | SMX >256 | TET >8 | TMP >2 | XNL >2 | ||||
| 0.064–1 | >1 | |||||||||||||||||||
| Denmark | Travelb | 24 | 1 (4) | 7 (29) | 0 | 1 (4) | 3 (13) | 1 (4) | 0 | 0 | 1 (4) | 1 (4) | 1 (4) | 0 | 4 (4) | 7 (29) | 7 (29) | 11 (46) | 1 (4) | 1 (4) |
| Denmark | No travel | 4 | 1 (25) | 1 (25) | 0 | 1 (25) | 1 (25) | 2 (50) | 0 | 0 | 1 (25) | 0 | 2 (50) | 1 (25) | 2 (50) | 2 (50) | 3 (75) | 3 (75) | 1 (25) | 1 (25) |
| Denmark | Unknown | 11 | 2 (18) | 6 (55) | 0 | 2 (18) | 3 (27) | 0 | 0 | 0 | 2 (18) | 2 (18) | 0 | 0 | 3 (27) | 3 (27) | 3 (27) | 6 (55) | 0 | 2 (18) |
| France | Travelc | 10 | 0 | 1 (10) | 0 | 0 | 1 (10) | 4 (40) | 0 | 0 | 0 | 0 | 4 (40) | 1 (10) | 5 (50) | 5 (50) | 5 (50) | 6 (60) | 4 (40) | 0 |
| France | No travel | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| France | Unknown | 12 | 0 | 1 (8) | 0 | 0 | 1 (8) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (8) | 2 (17) | 2 (17) | 3 (25) | 1 (8) | 0 |
| Thailand | Zone 1 | 7 | 1 (14) | 3 (43) | 0 | 1 (14) | 1 (14) | 0 | 0 | 0 | 1 (14) | 1 (14) | 0 | 0 | 1 (14) | 2 (29) | 2 (29) | 4 (57) | 0 | 1 (14) |
| Thailand | Zone 2 | 4 | 0 | 2 (50) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (25) | 3 (75) | 3 (75) | 2 (50) | 0 | 0 |
| Thailand | Zone 4 | 15 | 12 (80) | 14 (93) | 0 | 12 (80) | 11 (73) | 0 | 0 | 0 | 10 (67) | 3 (20) | 0 | 0 | 4 (27) | 14 (93) | 14 (93) | 14 (93) | 0 | 12 (80) |
| Thailand | Zone 5 | 4 | 0 | 3 (75) | 0 | 0 | 1 (25) | 1 (25) | 0 | 0 | 0 | 0 | 0 | 0 | 1 (25) | 1 (25) | 1 (25) | 2 (50) | 0 | 0 |
| Thailand | Zone 7 | 6 | 0 | 3 (50) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 (50) | 0 | 0 |
| Thailand | Zone 8 | 2 | 0 | 2 (100) | 0 | 0 | 1 (50) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (50) | 1 (50) | 1 (50) | 2 (100) | 0 | 0 |
| Thailand | Zone 9 | 1 | 0 | 1 (100) | 0 | 0 | 1 (100) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 0 | 0 |
| Thailand | Zone 10 | 5 | 0 | 2 (40) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (20) | 1 (20) | 2 (40) | 0 | 0 |
| Thailand | Zone 12 | 3 | 0 | 2 (67) | 0 | 0 | 1 (33) | 0 | 0 | 0 | 1 (33) | 0 | 0 | 0 | 0 | 2 (67) | 1 (33) | 3 (100) | 0 | 0 |
| Thailand | Zone BKK | 15 | 6 (40) | 10 (67) | 0 | 7 (47) | 6 (40) | 0 | 0 | 0 | 6 (40) | 7 (47) | 0 | 0 | 6 (40) | 7 (47) | 7 (47) | 9 (60) | 1 (7) | 7 (47) |
| Total | 125 | 23 (18) | 58 (46) | 0 | 24 (19) | 31 (25) | 8 (6) | 0 | 0 | 22 (18) | 14 (11) | 7 (6) | 2 (2) | 30 (24) | 51 (41) | 51 (41) | 71 (57) | 8 (6) | 24 (19) | |
a
Abbreviations: AMP, ampicillin; AMC, amoxicillin-clavulanic acid; APR, apramycin; XNL, ceftiofur; CHL, chloramphenicol; CIP, ciprofloxacin; COL, colistin; FFN, florfenicol; GEN, gentamicin, CTX, cefotaxime; NAL, nalidixic acid; NEO, neomycin; SPT, spectinomycin; STR, streptomycin; SMX, sulfamethoxazole; TET, tetracycline; TMP, trimethoprim.
b
Thailand (n = 18), Vietnam (n = 2), Philippines (n = 2), and Singapore (n = 1).
c
Pakistan (n = 2), Thailand (n = 2), Cambodia (n = 1), Asia (n = 1), Mauritius (n = 2), and Afghanistan (n = 2).