Feline leukemia virus is a retrovirus that infects cats. FeLV can be transmitted from infected cats when the transfer of saliva or nasal secretions is involved.
Feline Leukemia Virus (FeLV) is a common but preventable virus that can affect almost all cats. Dr. Boldan shares how FeLV weakens a cat's immune system, symptoms, and how the feline leukemia virus vaccine can be life-saving.
ABCD cats & vets: GUIDELINE for Feline Leukaemia Virus Infection.

A Cat's Life.Diagnosing Feline Leukemia Virus. Your veterinarian can diagnose the disease by conducting a simple blood test called an ELISA, which identifies FeLV proteins in the blood. This test is highly sensitive and can identify cats with very early infections.
Such cats include cats living with infected cats or with cats of unknown infection status, cats allowed outdoors unsupervised where they may be bitten by an infected cat, and kittens born to infected mothers.

For cats that are persistently infected, their life expectancy is typically between two and a half and three years. Others can live a longer life and may remain healthy for several years.
Feline leukemia is scary. Protect your cat from this serious virus! Schedule an appointment today to have your cat tested.Infected cats have large amounts of the FeLV virus in their saliva and can spread it to other cats through mutual grooming.

Concluding Remarks on Feline Leukemia. Feline Leukemia a contagious and rapidly spreading disease of cats. The disease can be prevented by proper vaccinating of the queen and kitten at an adequate age.