Figure 4From: Inhalation of β2 agonists impairs the clearance of nontypable Haemophilus influenzae from the murine respiratory tractInhalation of salmeterol does not influence inflammation in NTHi infected lungs. Mice inhaled vehicle (A, C) or salmeterol (B, D) before intranasal inoculation with 107 CFU NTHi. Mice (n = 4 per group) were sacrificed 6 (A, B) and 48 hours (C, D) post-infection and whole lungs were examined for inflammation. At 6 h post-infection, all mice displayed mild inflammation while at 48 h lung inflammation was more pronounced and diffuse. The inflammation scored did not reveal a difference between vehicle and salmeterol treated animals at both timepoints. H&E staining, magnification 10×.Back to article page