Fig. 9From: The tree shrew is a promising model for the study of influenza B virus infectionInfluenza B virus inoculation caused pathology in the lungs of mice. Lungs were collected at 2 (a, d), 4 (b, e) and 6 (c, f) days post inoculation (DPI) from mice inoculated with either Yamagata strain B/Guangzhou/12/2016 or Victoria strain B/Guangzhou/0215/2012 and stained with hematoxylin and eosin. Images were examined at magnification of × 200Back to article page