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 can be a fatal disease, but it is not always fatal. The severity of the disease and the response to treatment can vary greatly from cat to cat. With proper veterinary care, some cats with feline leukemia can live for several years or more.
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.

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.
Burmese cat with a blue collar. Feline Leukemia Symptoms. Cats in the early stages often dont show any signs of the virus. However, as time goes on, the infected cats health may begin to decline. Symptoms of FeLV include

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.
Feline leukemia is a very common disease in domestic cats with about 3% of all cats in the United States being infected. This disease is caused by the feline leukemia virus (FeLV) that can easily be transmitted to cats that are exposed to infected cats.
What Feline Leukemia Does to Your Cats Body. Feline leukemia is the most common cause of cancer in cats, and frequently leads to blood disorders. It can also cause a state of immunodeficiency that makes your cat susceptible to infection from other diseases.