Volume 16, Number 12—December 2010
Letter
Transmission of Ovine Herpesvirus 2 from Asymptomatic Boars to Sows
Figure

Figure. Brainstem of a sow with vasculitis that was associated with ovine herpesvirus 2, showing edema, necrosis (fibrinoid necrosis), and infiltration of lymphocytes in the adventitia of the artery. Severe perivascular (Virchow-Robin space) lymphocytic cuffing was observed. Hematoxylin and eosin stain; scale bar = 50 μm.
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