nalidixic acid (NAL) and to ciprofloxacin (CIP); Group 2 (26 E. coli and 34 non-E. coli): NAL-resistant (R), and with MIC of CIP ranging 0.5-2 mg/l; Group 3: (28 E. coli and 22 non-E. coli): NAL-R and CIP-R. W/A testing was done with Combo Urine 1S panels, containing NAL