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Microorganism
MIC50
(μg/ml)		 sort
MIC90
(μg/ml)		 sort
Range
(μg/ml)		 sort
Antimicrobial sort
Reference
Streptococcus pyogenes (group A) 0.004 0.008 0.004 － 0.008 Imipenem 248
Streptococcus pyogenes (group A) 0.008 0.015 0.004 － 2 Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) 248
Streptococcus pyogenes (group A) 0.03 0.06 ? － ? Clinafloxacin (PD 127391) 307
Streptococcus pyogenes (group A) 0.06 0.06 0.03 － 0.125 Clinafloxacin (PD 127391) 248
Streptococcus pyogenes (group A) 0.06 0.125 0.03 － 0.125 PD 124816 248
Streptococcus pyogenes (group A) 0.06 0.125 0.03 － >128 Erythromycin (E-mycin, Ery-tab, Benzamycin) 248
Streptococcus pyogenes (group A) 0.125 0.125 0.06 － 0.125 Difluoroquinolone (PD 117596) 248
Streptococcus pyogenes (group A) 0.125 0.25 0.125 － 0.25 Cefazolin (Ancef, Kefzol, Zolicef) 248
Streptococcus pyogenes (group A) 0.125 0.5 0.06 － 0.5 Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) 248
Streptococcus pyogenes (group A) 0.25 0.5 ? － ? Ciprofloxacin (Cipro, Ciproxin, Ciprobay) 307
Streptococcus pyogenes (group A) 0.5 0.5 0.25 － 1 Ciprofloxacin (Cipro, Ciproxin, Ciprobay) 248