The VetScan Feline FeLV/FIV Rapid Test is a highly sensitive and specific test for the detection of antibodies to Feline Immunodeficiency Virus and Antigen to Feline Leukemia Virus in feline whole blood, serum, or plasma. Each test is provided with a simple, easy-to-use sample dilution device and provides results in only 10 minutes. Room temperature storage.