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. 2004 Apr;42(4):1843–1845. doi: 10.1128/JCM.42.4.1843-1845.2004

TABLE 1.

Antibiotic susceptibility of linezolid-resistant E. faecalis isolate

Antibiotic MIC (μg/ml) Interpretationa
Vancomycin ≤0.5 S
Ampicillin 0.25 S
Penicillin 1.0 S
Levofloxacin ≥8 R
Chloramphenicol ≥32 R
Nitrofurantoin ≤32 S
Gentamicin <500 Syn, S
Streptomycin <2,000 Syn, S
Linezolid R
Quinupristin-dalfopristin R
a

S, susceptible; R, resistant; Syn, synergy expected.