Individual concentrations of levonadifloxacin in plasma (total) (circles), epithelial lining fluid (ELF) (triangles), and alveolar macrophages (AM) (squares) 2, 4, 6, 8, and 12 h after the ninth oral dose of alalevonadifloxacin (1,000 mg every 12 h). The y axis is on the log scale.