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Histopathologic changes in avian influenza A(H5N1) virus–affected turkeys. A. Hemorrhages and necrosis in the pancreas. Bar = 50 µm. B. Hemorrhage in the kidney. Bar = 50 µm. C. Gliosis and focal encephalomalacia with encephalitis. Bar = 10 µm. D. Microglial accumulation around a damaged neuron in the brain. Bar = 4 µm. H&E.
