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Hepatitis E in a rhesus macaque. (A) The hepatic architecture is well preserved. Focal lymphocytic infiltrates (a) are scattered throughout the parenchyma with mild lymphocytic infiltration (b) of the portal region. Scale bar, 100 µm. pv, portal vein; cv, central vein; ha, hepatic artery branch. (B) Focal lymphocytic parenchymal inflammatory infiltrate surrounding several necrotic hepatocytes.
