TABLE 3.

MICs of nine β-lactams for clinical PRGBS isolates

StrainMIC (μg/ml)a
PENPCVAMPOXACFZFEPCTXZOXMEM
S. pneumoniae ATCC 496190.250.50.12110.030.030.120.06
S. agalactiae ATCC BAA-6110.060.030.120.250.120.060.060.120.03
S. agalactiae ATCC 124030.060.030.120.250.120.060.060.120.03
S. agalactiae 0.50.250.12420.521280.06
    B1
    B60.250.50.12410.251320.06
    B70.250.120.1220.50.250.1240.25
    B80.250.250.5410.50.25640.12
    B100.50.250.12410.250.5160.06
    B120.250.50.25410.50.5320.25
    B400.50.50.12810.250.5320.06
    B600.250.250.25410.250.25320.12
    B680.50.250.540.50.50.2540.12
    B5020.50.250.540.50.50.25160.25
    B5030.250.120.520.50.250.25160.12
    B513110.58111640.25
    B5140.250.250.5410.50.25320.25
    B5160.250.250.2540.50.50.25160.12
  • a Abbreviations: PEN, penicillin G; PCV, penicillin V; AMP, ampicillin; OXA, oxacillin; CFZ, cefazolin; FEP, cefepime; CTX, cefotaxime; ZOX, ceftizoxime; MEM, meropemem.