TABLE 2.

Antibiotic resistance levels for E. faecalis strains

AntibioticMICa (μg/ml)
DMC83006BWBH27862SF830VsSFV1SFG1JH2-2
Vancomycin>256>2562>256<21
LY33328110.0620.120.06
Gentamicin>2,048>2,048>2,04816>2,04816
Erythromycin>512>512>512>512>512<1
Streptomycin>2,048>2,048>2,048128>2,048128
Levofloxacin>4>4>4112
Ampicillin0.50.50.50.50.52
Augmentin<4<4<4<4<4<4
Chloramphenicol8<48888
Imipenem<1<1<1<1<1<1
Linezolid21.51.511.52
Nitrofurazone<32<32<32<32<32<32
Rifampin<1<1<1>2>2>2
Tetracycline<1<1<1<1<1<1
  • a MICs were determined by broth microdilution using published guidelines (22) or by Etest (AB Biodisk).