Viral hepatitis is an infectious disease caused by hepatitis virus with degeneration and necrosis of liver parenchymal cells as the main lesion.Hepatitis B virus is a hepatitis B virus that spreads worldwide.HBsAg exists in the cytoplasm of the liver cells.Hepatitis B virus can be displayed by immunohistochemistry as HBsAg and HBcAg.Methods for displaying HBsAg include Shikata lichen red method,Aldehyde magenta method, Victoria blue method, etc. Victoria blue is a phenylmethane dye that shows elastic fibers and hepatitis B surface antigen, is not easy to overstain, and does not fade easily after staining.

Virus staining solution (Victoria blue method) is suitable for displaying elastic fibers and hepatitis B surface antigen.