Streptococci (Viridans group penicillin-resistant) and Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
Concentration
(μg/ml)
4
3.6
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
4
4
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
4
4
1
2
MIC50
MIC90
Strain Number