Azithromycin attenuated viral-dependent airway inflammation. Mice were inoculated with SeV and treated as in Figure 1. Eight days post-viral inoculation, lung sections were obtained from naive mice (Naive, left column); SeV infected mice treated with PBS (SeV + PBS, middle column), and SeV infected mice treated with azithromycin (SeV + Azithro, right column). Representative photomicrographs of hematoxylin and eosin stained lung sections are shown (n = 11, Azithro; n = 12, PBS). Inflammatory cells within the airway are indicated (arrow). Bar = 50 μm (top) and 25 μm (bottom).