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 one of the most common and important infectious diseases in cats, affecting between 2-3% of all cats in the United States and Canada. Infection rates are significantly higher (up to 30%) in cats that are ill or otherwise at high risk (see below).
Feline leukemia virus (FeLV) affects cats immune system. Read FAQs about the disease, including transmission, signs, diagnosis, and prognosis.

Feline leukemia virus (FeLV) is second only to trauma as the leading cause of death in cats, killing 85% of persistently infected felines within three years of diagnosis.In general, cats that are IFA-positive have a poor long-term prognosis. Stages of Feline Leukemia Virus.
feline leukemia close up cat What is feline leukemia? Feline leukemia is a virus that inhibits cats ability to fight off infections. Though FeLV isnt cancer, it can cause lymphoma, a kind of cancer that attacks the immune system. Common viruses, bacteria, and microorganisms that...

Furthermore, visual representations like the one above help us fully grasp the concept of Feline Leukemia Prognosis In Cats.
Feline leukemia virus is a common disease that affects about 2% of cats in the United States. It is spread cat-to-cat and leads to the destruction of the cats white blood cells and immune system.