Piece of cat spleen infected by Feline Leukemia Virus (FeLV) (tested and negative for feline immunodeficiency virus-FIV and feline panleukopoenia virus-FPV).
Piece of cat organ infected by Feline Leukemia Virus (FeLV) (tested and negative for feline immunodeficiency virus-FIV and feline panleukopoenia virus-FPV).