Fig. 6From: Interaction between avian influenza subtype H9N2 and Newcastle disease virus vaccine strain (LaSota) in chickensa Kidney of G1 birds showed periglomerular and peritubular inflammatory cells infiltrations mainly lymphocytic (arrowhead). H&E, X 200; b Kidney of G4 birds showed marked glomerulonephritis features which revealed loss of capillaries and hypercellularity (arrowhead), with marked degeneration of renal tubules (arrow). H&E, X 200; c Kidneys of normal birds showed normal renal tubular and glomerular structures. H&E, X 200Back to article page