Streptococci (Viridans group) and Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
Concentration
(μg/ml)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
1
0.03
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
2
0.06
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
0.25
0.12
1
2
3
MIC50
MIC90
Strain Number