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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Streptococci (β-hemolytic) ≤0.25 ≤0.25 ? － ? 39
Streptococcus (group A) 0.03 0.03 ≤0.015 － 0.06 73
Streptococcus (group B) 0.06 0.06 0.03 － 0.12 73
Streptococcus agalactiae 0.06 0.12 0.03 － 1 102
Streptococcus agalactiae 0.06 0.12 ≤0.03 － 2 475
Streptococcus agalactiae 0.06 0.12 ? － ? 36
Streptococcus agalactiae - 0.12 ? － ? 1358
Streptococcus bovis 0.12 0.12 0.03 － 0.12 462
Streptococcus constellatus (ATCC 27923) - - 0.5 － ? 1477
Streptococcus dysgalactiae 0.06 0.06 ≤0.008 － 0.5 412
Streptococcus equisimilis 0.06 0.06 ≤0.008 － 0.5 412
Streptococcus intermedius (ATCC 27335) - - 0.25 － ? 1477
Streptococcus pneumonia 0.015 0.06 ≤0.007 － 0.25 113
Streptococcus pneumonia 0.03 0.5 ≤0.03 － 8 236
Streptococcus pneumonia 0.03 1 ≤0.015 － >4 108
Streptococcus pneumonia 0.03 1 ≤0.03 － 4 42
Streptococcus pneumonia 0.047 1 ? － ? 126
Streptococcus pneumonia 0.06 0.25 ≤0.06 － 2 371
Streptococcus pneumonia 0.06 1 ≤0.008 － >16 412
Streptococcus pneumonia 0.12 1 0.03 － 1 73
Streptococcus pneumonia 0.25 1 ≤0.25 － 8 472
Streptococcus pneumonia 0.5 1 0.015 － 8 1279
Streptococcus pneumonia - - 0.03 － 8 956
Streptococcus pneumonia (ATCC 49619 + penicillin-susceptible) - - 0.063 － ? 397
Streptococcus pneumonia (ATCC 49619) - - 0.06 － ? 401
Streptococcus pneumonia (ceftriaxone-intermediate) 0.12 0.5 0.015 － 0.5 364
Streptococcus pneumonia (ceftriaxone-resistant) 1 1 0.5 － 1 364
Streptococcus pneumonia (ceftriaxone-susceptible) 0.015 0.015 0.015 － 0.06 364