Streptococci (serogroup A) and Levofloxacin (Levaquin, Quixin)
Concentration
(μg/ml)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Levofloxacin (Levaquin, Quixin)
0.5
0.5
Levofloxacin (Levaquin, Quixin)
1
1
1
2
MIC50
MIC90
Strain Number