FIG. 2.

Liver of a pig i.v. inoculated with HEV recovered from a U.S. pig. There is mild focal infiltration of lymphocytes, plasma cells, and macrophages and mild diffuse inflammation in hepatic sinusoids at 14 DPI. Hepatocytes are mildly swollen and vacuolated. Hematoxylin and eosin staining was performed.