Abstract
Plasma samples from household cats in 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 showing mortality as high as 54% during a 14-month survey. The FeLV-positive cats showed a wide variety of disorders, most frequently renal diseases and anemia.
