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Fig. 2 | Virology Journal

Fig. 2

From: First description of clinical presentation of piscine orthoreovirus (PRV) infections in salmonid aquaculture in Chile and identification of a second genotype (Genotype II) of PRV

Fig. 2

Photomicrographs showing the main microscopic findings in farmed Chilean Atlantic salmon Salmo salar with HSMI-like disease. Panel a: Heart section stained with haematoxylin and eosin (H&E) showing diffuse infiltration of mononuclear cells in epicardium (arrow) and infiltration of mononuclear cells, degeneration and necrosis of muscle fibers in myocardium (asterisk) (100X). Panel b: Red muscle section stained with H&E showing infiltration of mononuclear cells, degeneration and necrosis of muscle fibers (arrow head) (scale bar = 100 μm). Panel c: Liver section showing a blood vessel surrounded by a mononuclear inflammatory cell infiltrate (perivasculitis) focal hepatocellular necrosis (arrow head) (scale bar = 100 μm)

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Virology Journal

ISSN: 1743-422X