Streptococci (Viridans group penicillin-resistant) and Levofloxacin (Levaquin, Quixin)
Concentration
(μg/ml)
8
7.2
6.4
5.6
4.8
4
3.2
2.4
1.6
0.8
Levofloxacin (Levaquin, Quixin)
2
1
Levofloxacin (Levaquin, Quixin)
2
1
Levofloxacin (Levaquin, Quixin)
8
4
1
2
3
MIC50
MIC90
Strain Number