Detection of feline leukemia virus infection in Tokyo area by enzyme-linked immunosorbent assay (ELISA).

Abstract
Plasma samples from household cats in the Tokyo area were examined for feline leukemia virus (FeLV) infection by enzyme-linked immunosorbent assay. Out of 642 cases examined, 37 (5.8%) were found FeLV-positive. Cats with some clinical disorders were more frequently FeLV-positive. Mortality as high as 54% during a 14 mo. survey was seen. The FeLV-positive cats showed a wide variety of disorders, most frequently renal diseases and anemia.