Streptococci (Viridans group penicillin-intermediate) and Erythromycin (E-mycin, Ery-tab, Benzamycin)
Concentration
(μg/ml)
8
7.2
6.4
5.6
4.8
4
3.2
2.4
1.6
0.8
Erythromycin (E-mycin, Ery-tab, Benzamycin)
8
1
Erythromycin (E-mycin, Ery-tab, Benzamycin)
4
2
1
2
MIC50
MIC90
Strain Number