Figure 1

Histological lesions in multiple organs. Pathological changes were characterized by hyperemia, hemorrhaging, necrosis and inflammatory infiltration. Staining was conducted with hematoxylin and eosin. (a) Disarrayed or dissolved myocardia. (b, c) Lung with extensive hemorrhaging, lymphocyte infiltration and exfoliated alveolar epithelium cells inside the bronchioles and alveoli. (d, e, f) Necrosis and hemorrhaging in the kidney. (g, h, i) Liver exhibiting hepatic necrosis and lymphocyte infiltration. (j) Dysplasia of lymphoid follicles in the spleen. (k) Lymph nodes with congested capillaries. (l, m) Coagulation necrosis and abruption of intestinal villi. (n, o) Perivascular cuffs in cerebrum and liquefaction necrosis in cerebellum. Magnification was 400× (a, c, g, j, n), 200× (b, d, e, f, h, i, k, o), or 100× (l, m).