Streptococcus pneumonia (penicillin-susceptible) and Rifampicin (Rifampin)

Concentration
(μg/ml)

0.5
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05

Rifampicin (Rifampin): 0.5; 0.5
Rifampicin (Rifampin): 0.5; 0.5

1
2

MIC50

MIC90

Strain Number