Figure. A) Moderate perivascular inflammatory infiltrates and slight diffuse infiltration of brain parenchyma by mononuclear cells in basal ganglia (hematoxylin and eosin stain, bar = 110 μm). B) Immunohistochemical findings for tickborne encephalitis virus (TBEV): strong immunolabeling of cerebellar Purkinje cell perikaryon and apical dendrites (anti-TBEV, bar = 60 μm).
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