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Table 1 Distribution of S. mutans isolates from diabetic patients according to the inhibition zone diameters (mm) exhibited by various antibiotics (EUCAST format)

From: Genotypic and phenotypic heterogeneity in Streptococcus mutans isolated from diabetic patients in Rome, Italy

Antibiotic Disk Content (μg) Inhibition zone diameter (mm)
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
Vancomycin 5 0 0 0 0 0 1 6 5 1 4 1* 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Erythromycin 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 5 2 2 1 2* 0 0 0 0
Oxacillin 1 0 0 0 0 0 0 0 0 0 0 0 0 3 3 2 5* 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0
Penicillin 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 4* 2 1 1 0 0 0 0 0 0 0 0
Rifampicin 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 3 3 0 3 3* 1 0 0 0 0 0 0
Tetracycline 30 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 4 4 1 2 2* 1 1 0 0 0 0 0 0 0 0
Gentamicin 10 0 0 0 2 1 2 3 1 3 4 0 0 2* 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Cefoxitin 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 6 4 3* 0 0 0 0 0 0 0 0
Linezolid 10 0 0 0 0 0 0 0 0 0 2 0 1 1 0 4 5* 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0
Norfloxacin 10 1 1 3 1 1 3 2 3 2 1* 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Clindamycin 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 6 5 0 0 3* 1
Levofloxacin 5 0 0 0 0 0 0 0 1 1 0 4 4 2 3 2* 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
  1. * Zone diameter exhibited by the control strain UA159