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Photomicrographs showing A) encephalitis with neuronal necrosis and intranuclear inclusions (arrows) in a polar bear (Ursus maritimus); scale bar = 50 μm; hematoxylin and eosin stain; and B) Grevy’s zebra (Equus grevysi) with acute rhinitis with eosinophilic inclusions in respiratory epithelium; scale bar = 20 μm; hematoxylin and eosin stain.
