Streptococcus pneumonia and Cephalexin (Keflex, Keftal, Cefanox)
Concentration
(μg/ml)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
Cephalexin (Keflex, Keftal, Cefanox)
2
2
1
MIC50
MIC90
Strain Number