Staphylococci (coagulase-negative methicillin-susceptible) and Zosyn
Concentration
(μg/ml)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
Zosyn
2
0.25
Zosyn
2
0.5
1
2
MIC50
MIC90
Strain Number