| Witness™ FeLV-FIV Test Kit. Witness FeLV-FIV Test Kit allows combined detection of Feline Leukemia Virus (FeLV) antigen and Feline Immunodeficiency Virus (FIV) antibodies in feline whole blood, serum or plasma. The Witness FeLV-FIV is a simple test based on Rapid Immuno Migration (RIM) technology.... - Witness™ FeLV-FIV Test Kit. |