Figure 1
From: Course of seasonal influenza A/Brisbane/59/07 H1N1 infection in the ferret
Clinical Pathology of A/Brisbane/59/2007 infected ferrets. (A) Control lung tissue; (B) Lung from ferret challenged with 103.8 EID50/ml with chronic inflammation in the bronchial glands; (C). Lung from ferret challenged with 104.8 EID50/ml with bronchiolar epithelial hypertrophy (white arrow) and, neutrophils and macrophages within alveoli and airways (black arrow); (D). Lung of ferret challenged with 106.8 EID50/ml with a syncytium within an alveolus (see blue arrow). Images were taken at 400x magnification