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.
WebMD explains feline leukemia virus (FeLV), including symptoms, risk factors, treatments, and prevention.Symptoms of Feline Leukemia Virus. Cats infected with FeLV may exhibit one or more of the following symptoms: Pale gums. Yellow color in the mouth and whites of eyes.
Are you concerned about feline leukemia? It is the most common cause of cancer in cats. Learn about the causes and symptoms of feline leukemia and how to pro...

What Are the Feline Leukemia Symptoms? FeLV infections can be tricky for two main reasons: the virus attacks many systems in the body, and the signs vary depending on which system is affected.
Feline leukemia virus (FeLV) is one of the most common infectious causes of disease of cats globally. Infection with FeLV can cause a variety of clinical signs, impacting a cat's longevity and quality of life.

Diagnosis and Treatment. Feline leukemia is diagnosed via a blood test that detects a protein found in the virus. Unfortunately, there is no cure for the disease. Many infected cats die within two to three years of being diagnosed.