Salmonella – 1980-2001

Selected County Study

Year # # ABX Resistant Resistant Resistant Resistant Resistant Resistant to Resistant to isolates tested to > 1 ABX to > 2 to > 5 to ACSSuT to Ceftriaxone (MIC Ciprofloxacin tested ABX ABX AKSSuT > 64)* (MIC > 4) N % N % N % N % N % N % N % 1980 542 12 83 15% 66 12% 16 3% 3 0.6% 14 3% NA -- NA -- 1985 638 12 166 26% 114 18% 17 3% 9 1% 7 1% NA -- NA -- 1990 761 12 232 30% 189 25% 52 7% 23 3% 37 5% NA -- NA -- 1995 4045 12 1318 33% 914 23% 441 11% 305 8% 139 3% 3 0.07% 1 0.02%

NARMS

Year # # ABX Resistant Resistant Resistant Resistant Resistant Resistant to Resistant to isolates tested to > 1 ABX to > 2 to > 5 to to Ceftriaxone (MIC Ciprofloxacin tested ABX ABX ACSSuT AKSSuT > 16)* (MIC > 4) 1996 1326 15 493 37% 404 30% 162 12% 117 9% 31 2% 1 0.07% 0 0 1997 1301 15 443 34% 328 25% 180 14% 125 10% 46 4% 5 0.4% 0 0 1998 1466 15 398 27% 334 23% 188 13% 130 9% 50 3% 10 0.7% 1 0.07% 1999 1499 15 388 26% 315 21% 169 11% 125 8% 44 3% 28 1.9% 1 0.07% 2000 1377 15 352 26% 283 21% 165 12% 122 9% 44 3% 22 1.6% 2 0.1% 2001** 695 15 187 27% 152 22% 75 11% 62 9% 14 2% 13 1.8% 2 0.3%

* broth microdilution 1996-2001

** AS OF 01/21/02