Fig. 3From: Assessment of pathogenicity and tissue distribution of infectious bronchitis virus strains (Italy 02 genotype) isolated from moroccan broiler chickens a Lung of IBV/MN inoculated chick – thickening of the surface mucosa (Arrow) of a secondary bronchus, H&E, X 62,50. b Lung of IBV/MN inoculated chick – mild hyerplasia of surface epithelium (Arrow 1) and severe heterophilic and lympho-plasmocytic infiltration of Lamina propria (Arrow 2) and paeribronchial space of a secondary bronchus, H&E, X250Back to article page