The Feline Leukemia Virus (FeLV) is a member of the
Retroviridae family, sharing the genus gammaretrovirus
with the Xenotropic Murine Leukemia Virus-related
gammaretrovirus (MLV) and the Gibbon Ape Leukemia
Retrovirus (GALV). FeLV is pathogenic for domestic
cats and involved in proliferative, degenerative