TABLE 1.

MICs for isolates in this study

AgentMIC50(s) (μg/ml)MIC90(s) (μg/ml)Range(s) (μg/ml)
Penicillin0.0640.1250.004-0.75
Ceftriaxone<0.002<0.002<0.002-0.004
Ciprofloxacin0.0080.012<0.002-0.038
Rifampin0.0160.1250.002-0.38
Tetracycline0.50.750.125-1.0
Trimethoprim- sulfamethoxazole3/57>32/6080.064-32/1.2->608