Figure 8. Microscopic lesions observed in geese, turkeys and ducks that were infected with FAV-002/H5N1.

(A) Extensive necrosis in the pancreas of a Chinese goose. (B) Presence of abundant viral antigen in the pancreas of a Chinese goose. (C) Presence of large areas hepatic necrosis with heterophil infiltration in a turkey. (D) Extensive area of hepatic necrosis associated with positive immuno-staining (arrow) in a goose. (E) Large multifocal areas of necrosis in the spleen of a turkey. (F) Positive immuno-staining in the multifocal areas of necrosis in the spleen of a Chinese goose. (G) Brain lesions in Muscovy ducks were subtle and variable and included necrosis with gliosis and meningitis, ependymitis and inflammation of the choroid plexus. (H) Extensive viral antigen (*) in the brain of the turkey.