Fig. 5From: Characterization and pathogenicity of fowl adenovirus serotype 4 isolated from eastern ChinaH & E staining and immunohistochemical (IHC) observation. The slices of strain HN - infected liver, kidney, and the bursa of Fabricius were observed by H & E staining and reacted with mAb 1B4 against Hexon by IHC assay. Magnification is × 20Back to article page