Alpha- and Beta-haemolytic streptococci Drug Details Zone (mm) / MIC (µg/ml) Comment Code µg S I R Ceftriaxone CRO 30 25-26 ≥27 ≤24 Beta-haem CRO 30 - - ≥24 Chloramphenicol C 30 18-20 ≥21 ≤17 Clindamycin DA 2 16-18 Do not report ≥19 ≤15 Erythromycin E 15 21 16-20 ≥ ≤15 Penicillin Only do PG Etest if PG Etest 0.25-2 significant blood ≤0.12 ≥4 culture isolate Beta-haem P 10 - - ≥24 Enterococcus spp. Drug Details Zone diameter (mm) Comment Code µg S I R AMP 10 - Ampicillin ≥17 ≤16 Chloramphenicol C 30 13-17 ≥18 ≤12 Ciprofloxacin CIP 5 16-20 ≥21 ≤15 Vancomycin VA 30 15-16 ≥17 ≤14
Alpha- and Beta-haemolytic streptococci Drug Details Zone (mm) / MIC (µg/ml) Comment Code µg S I R Ceftriaxone CRO 30 ≥27 25-26 ≤24 Beta-haem CRO 30 ≥24 - - Chloramphenicol C 30 ≥21 18-20 ≤17 Clindamycin DA 2 ≥19 16-18 ≤15 Do not report Erythromycin E 15 ≥ 21 16-20 ≤15 Penicillin Only do PG Etest if significant blood culture isolate PG Etest ≤0.12 0.25-2 ≥4 Beta-haem P 10 ≥24 - - Enterococcus spp. Drug Details Zone diameter (mm) Comment Code µg S I R Ampicillin AMP 10 ≥17 - ≤16 Chloramphenicol C 30 ≥18 13-17 ≤12 Ciprofloxacin CIP 5 ≥21 16-20 ≤15 Vancomycin VA 30 ≥17 15-16 ≤14
Antimicrobial_Sensitivity_Disk_Difussion.docx