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. 2018 Sep;24(9):1691–1695. doi: 10.3201/eid2409.171829

Figure 1.

Figure 1

Histologic analysis and fluorescent in situ hybridization (FISH) of a Batai virus BATV)–infected harbor seal, Germany, 2016. A) Cerebellum showing mild to moderate, perivascularly accentuated, lymphohistiocytic inflammation (hematoxylin and eosin stain; scale bar indicates 200 μm). B) Purkinje cells and neurons of granular cell layer showing intracytoplasmic BATV–specific pink, positive result detected by FISH (fast red stain; scale bar indicates 200 µm). Inset: Higher magnification view of analysis using the QuantiGene ViewRNA ISH Tissue 1-Plex Assay Kit and the QuantiGene ViewRNA Chromogenic Signal Amplification Kit (Affymetrix-Panomics, Santa Clara, CA, USA) (fast red stain; scale bar indicates 20 µm). C) Scattered neurons of spinal cord showing a strong, pink, intracytoplasmic BATV-specific result detected by FISH (fast red stain; scale bar indicates 100 µm). D) Cortical and medullary lymphocytes of pulmonary lymph node showing a mild, pink, intracytoplasmic BATV-specific result detected by FISH (fast red stain; scale bar indicates 20 µm). E). Negative control (incubation without probe) of spinal cord showing no BATV-specific result (fast red stain; scale bar indicates 100 µm).