The VETSCAN Feline Leukemia Virus Antigen-Feline Immunodeficiency Virus Antibody (FeLV-FIV Combo) Rapid Test is a visual rapid test for the qualitative detection of Feline Leukemia Virus antigen and Feline Immunodeficiency Virus antibody in feline whole blood, serum or plasma. This test is for veterinary use only.