AMI, amikacin; AMP, ampicillin; AXO, ceftriaxone; AZI, azithromycin; CHL, chloramphenicol; CIP, ciprofloxacin; COL, colistin; FOT, cefotaxime; FOX, cefoxitin; GEN, gentamicin; I, intermediate; IMI, imipenem; NAL, nalidixic acid; R, Resistant; S, susceptible; STR, streptomycin; SXT, trimethoprim/sulfamethoxazole; TAZ, ceftazidime; TET, tetracycline.