Figure 4
From: Avian Influenza H5N6 Viruses Exhibit Differing Pathogenicities and Transmissibilities in Mammals
Histopathology analysis. Lungs of the infected mice were fixed with formalin, embedded in paraffin and stained with hematoxylin and eosin. (Arrow a): alveolar wall thickening; (arrow b): epithelial cell shedding; (arrow c) lymphocyte infiltration; (arrow d) alveolar cavity decreasing or even disappearing; (arrow e) epithelial cell swelling and rarefaction of cytoplasmic structures.
