Table 2.

Distribution of erythromycin MICs (μg/ml) among MS/L probea-negative enterococci and streptococci isolated from clinical sources

Organism (n)Total no. of strains inhibited at each concn (μg/ml)
≤0.030.060.1250.250.512481632
E. faecalis(29)2135981
E. faecium(9)3222
S. pyogenes(29)74171
Group B streptococci (10)10
S. pneumoniae(17)188
  • a Probes for erm(A),erm(B), erm(C), ere(A),ere(B), mef(A), and msr(A).