Identification of a Novel Astrovirus Associated with Bovine Respiratory Disease

Figure 3

Hematoxylin and eosin staining of serial lung sections used for ISH analysis. Arrows indicate areas where the novel BAstV ISH signal was identified in patches of 21-24401 (a), 100x. Serial H&E stained section with an intense diffuse ISH novel BAstV signal of 20-25551 (b), 100x. Large alveolar macrophages and mononuclear cells are indicated by the arrows (c, d), 400x. Bronchiolar epithelial cells, indicated by arrows, (e) and neutrophils, indicated by arrow, (f), 400x. A negative control is inserted in (e).

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