Figure 9

In vivo histopathological findings after inoculation with rSeV-GFP-P25. A Nasal mucosa: hyperplasia of ciliated epithelial cells (arrow) and submucosal lymphocytic inflammation (thin arrow). Haematoxylin‒eosin (HE). B Nasal associated-lymphoid tissue (NALT): reactive lymphoid hyperplasia, characterized by a greater number and size of lymphoid follicles (arrows). HE.