Streptococcus pneumonia (mef(A)) and Clarithromycin (Biaxin)
Concentration
(μg/ml)
32
28.8
25.6
22.4
19.2
16
12.8
9.6
6.4
3.2
Clarithromycin (Biaxin)
4
1
Clarithromycin (Biaxin)
4
2
Clarithromycin (Biaxin)
32
16
1
2
3
MIC50
MIC90
Strain Number