TABLE 1.

ERY and CC MICs and growth of quality control strains in the ERY-CC combinationa

S. aureus ATCC strainMediumNo. of isolatesRange (mode)c of MICs (μg/ml)% of results with growth for the ERY-CC concn combinations shown
ERYCC4 μg/ml and 0.5 μg/ml6 μg/ml and 1 μg/ml8 μg/ml and 1.5 μg/ml0.5 μg/ml and 2 μg/ml
292131810.25-2 (1.0)0.06-1.0 (0.12-0.25)0000
2810000
3810000
BAA-9761804->8 (>8)0.06-0.25 (0.12)0000
2800000
3800000
BAA-977180>8 (>8)0.06->4 (0.12-0.25)10010093.8 (97.5)b0
2801001001000
3801001001000
  • a Results are shown for 16- to 18-h incubations, except where noted. Medium 1, BBL CAMHB; 2, Difco CAMHB; 3, Oxoid CAMHB. —, not determined.

  • b Value in parentheses is the result of 24 h of incubation.

  • c Mode is bimodal where given as a range.