Experimental Infection of Ground Squirrels (Spermophilus tridecemlineatus) with Monkeypox Virus
Figure 2. Ultrastructural localization of monkeypox virus in hepatocytes in the liver of a ground squirrel 5 days after infection. A) Hepatocytes contain numerous groups of virions (arrows) in their cytoplasm (bar = 1 μm). B) Magnified area of A, showing typical ultrastructure of monkeypox virus virions and characteristic hepatocyte mitochondria (M) surrounded by cisterns of granular endoplasmic reticulum (er). N, fragment of hepatocyte nucleus; bar = 0.5 μm.