Streptococcus pyogenes (mef(A)) and Clarithromycin (Biaxin)

Concentration
(μg/ml)

16
14.4
12.8
11.2
9.6
8
6.4
4.8
3.2
1.6

Clarithromycin (Biaxin): 8; 2
Clarithromycin (Biaxin): 8; 4
Clarithromycin (Biaxin): 8; 4
Clarithromycin (Biaxin): 16; 4
Clarithromycin (Biaxin): 8; 8

1
2
3
4
5

MIC50

MIC90

Strain Number