TABLE 5.
Susceptibilities of 387 isolates of erythromycin-resistant S. pyogenes, subdivided into phenotypes and iMLS subtypes of macrolide resistance, to tetracycline
| Phenotype and iMLS subtype of macrolide resistance (no. of strains) | No. (%) of strains with indicated susceptibilitya to tetracycline:
|
||
|---|---|---|---|
| S | I | R | |
| cMLS (64) | 12 (18.7) | 6 (9.4) | 46 (71.9) |
| iMLS (120) | 86 (71.7) | 1 (0.8) | 33 (27.5) |
| iMLS-A (84) | 84 (100) | ||
| iMLS-B (12) | 1 (8.3) | 11 (91.7) | |
| iMLS-C (24) | 2 (8.3) | 22 (91.7) | |
| M (203) | 54 (26.6) | 8 (3.9) | 141 (69.5) |
a
S, susceptible; I, intermediate; R, resistant.