<p> National Antimicrobial Resistance Monitoring System For Enteric Bacteria</p><p>Table 18. Antimicrobial resistance of Shigella isolates, 2000</p><p>Antibiotic All Shigella Shigella sonnei Shigella flexneri Shigella boydii (N=451) (N=367) (N=75) (N=7) # Resistant % Resistant # Resistant % Resistant # Resistant % Resistant # Resistant % Resistant Amikacin 1 0.2 1 0.3 0 0 0 0 Amoxicillin – 10 2.2 7 1.9 3 4.0 0 0 Clavulanic Acid Ampicillin 356 78.9 295 80.4 58 77.3 1 14.3 Apramycin 1 0.2 1 0.3 0 0 0 0 Cefoxitin 2 0.4 2 0.5 0 0 0 0 Ceftiofur 0 0 0 0 0 0 0 0 Ceftriaxone 0 0 0 0 0 0 0 0 Cephalothin 36 8.0 32 8.7 2 2.7 0 0 Chloramphenicol 63 14.0 10 2.7 52 69.3 1 14.3 Ciprofloxacin 0 0 0 0 0 0 0 0 Gentamicin 1 0.2 1 0.3 0 0 0 0 Kanamycin 6 1.3 6 1.6 0 0 0 0 Nalidixic Acid 5 1.1 5 1.4 0 0 0 0 Streptomycin 258 57.2 206 56.1 46 61.3 4 57.1 Sulfamethoxazole 252 55.9 206 56.1 40 53.3 4 57.1 Tetracycline 202 44.8 126 34.3 69 92.0 5 71.4 Trimethoprim - 239 53.0 202 55.0 32 42.7 3 42.9 Sulfamethoxazole</p><p>43</p>