Streptococci (Viridans group penicillin-susceptible) and Clindamycin (Cleocin)

Concentration
(μg/ml)

0.5
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05

Clindamycin (Cleocin): 0.25; 0.06
Clindamycin (Cleocin): 0.5; 0.25

1
2

MIC50

MIC90

Strain Number