Volume 11, Number 6—June 2005
Dispatch
Cephalosporin and Ciprofloxacin Resistance in Salmonella, Taiwan
Jing-Jou Yan*, Chien-Shun Chiou†, Tsai-Ling Yang Lauderdale‡, Shu-Huei Tsai*, and Jiunn-Jong Wu*
Table 1
Resistance to ciprofloxacin, extended-spectrum cephalosporins, and both in Salmonella enterica serotypes, by region and pulsotype, Taiwan, January–May 2004
| Resistance and region* | No. of resistant S. enterica isolates/no. of total isolates (%) |
||||||
|---|---|---|---|---|---|---|---|
| Enteritidis | Typhimurium | Stanley | Choleraesuis | Uncommon serotypes† | All serotypes | Pulsotypes of Choleraesuis isolates (no. of isolates) | |
| Ciprofloxacin resistance | 1/161 (0.6) | 0/142 (0) | 0/53 (0) | 38/45 (84.4) | 11/199 (5.5) | 50/600 (8.3) | |
| Northern | 0/96 (0) | 0/38 (0) | 0/14 (0) | 13/16 (81.3) | 6/88 (6.8) | 19/252 (7.5) | A (11), D (1), E (1) |
| Central | 1/32 (3.1) | 0/34 (0) | 0/14 (0) | 6/8 (75.0) | 4/37 (10.8) | 11/125 (8.8) | A (5), C (1) |
| Southern | 0/25 (0) | 0/60 (0) | 0/24 (0) | 18/20 (90.0) | 1/65 (1.5) | 19/194 (9.8) | A (14), B (1), C (1), F (1), G (1) |
| Eastern | 0/8 (0) | 0/10 (0) | 0/1 (0) | 1/1 (100) | 0/9 (0) | 1/29 (3.4) | A (1) |
| ESC resistance | 0/161 (0) | 0/142 (0) | 3/53 (5.7) | 8/45 (17.8) | 9/199 (4.5) | 20/600 (3.3) | |
| Northern | 0/96 (0) | 0/38 (0) | 1/14 (7.1) | 1/16 (6.3) | 7/88 (8.0) | 9/252 (3.6) | |
| Central | 0/32 (0) | 0/34 (0) | 1/14 (7.1) | 0/8 (0) | 1/37 (2.7) | 2/125 (0.8) | |
| Southern | 0/25 (0) | 0/60 (0) | 1/24 (4.2) | 7/20 (35.0) | 1/65 (1.5) | 9/194 (4.6) | |
| Eastern | 0/8 (0) | 0/10 (0) | 0/1 (0) | 0/1 (0) | 0/9 (0) | 0/29 (0) | |
| Ciprofloxacin and ESC resistance | 0/161 (0) | 0/142 (0) | 0/53 (0) | 8/45 (17.8) | 2/199 (1.0) | 10/600 (1.7) | |
| Northern | 0/96 (0) | 0/38 (0) | 0/14 (0) | 1/16 (6.3) | 1/88 (1.1) | 2/252 (0.8) | E (1) |
| Central | 0/32 (0) | 0/34 (0) | 0/14 (0) | 0/8 (0) | 1/37 (2.7) | 1/125 (0.8) | |
| Southern | 0/25 (0) | 0/60 (0) | 0/24 (0) | 7/20 (35.0) | 0/65 (0) | 7/194 (3.6) | A (4), C (1), F (1), G (1) |
| Eastern | 0/8 (0) | 0/10 (0) | 0/1 (0) | 0/1 (0) | 0/9 (0) | 0/29 (0) | |
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