Learn important information about cat leukemia, including how it spreads, common symptoms, testing & diagnosis info, treatments and prevention options.
"The Feline Leukemia Virus (FeLV) usually affects young cats or kittens. Since the mid 1980's it has been prevented with a vaccine. There is no known treatment for Feline Leukemia. Symptoms gradually appear as the immune system weakens such as lymphoma (neoplastic disease).

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) 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.

Cats with leukemia may exhibit symptoms such as loss of appetite, weight loss, lethargy, swollen lymph nodes, anemia, infections, easy bruising, or bleeding. These symptoms can vary greatly in severity and may not all be present in every cat with leukemia.