All About Feline Leukemia Virus (FeLV)

Sponsored by CareCredit Feline Leukemia Virus ( FeLV ) is found worldwide in domestic cats. Its name is misleading—FeLV does not cause leukemia , which is a cancer of the blood cells. FeLV does however severely affect your cat's immune system.

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). Fortunately, the prevalence of FeLV in cats has decreased significantly in the past 25 years since the development of ...
Feline Leukemia Virus Disease Complex

What is feline leukemia virus ( FeLV )? Feline leukemia virus ( FeLV ) is a virus that infects cats. It was first identified in cats that had a form of leukemia (cancer of the white blood cells), but it is now known to cause a range of serious health problems. FeLV depresses the immune system, making infected cats more prone to infections, anemia, and certain cancers. Like all viruses, FeLV can ...
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.

Feline Leukemia
Feline leukemia , frequently abbreviated FeLV , is a retrovirus that affects cats. According to the Cornell Feline Health Center, Feline leukemia virus ( FeLV ) is one of the most common infectious diseases in cats, affecting between 2% and 3% of all cats in the United States.
What is feline leukemia virus ? Feline leukemia virus ( FeLV ), a retrovirus, so named because of the way it behaves within infected cells. All retroviruses, including feline immunodeficiency virus (FIV) and human immunodeficiency virus (HIV), produce an enzyme, reverse transcriptase, which permits them to insert copies of their own genetic material into that of the cells they have infected ...

Feline Leukemia Virus (FeLV)
Feline leukemia virus ( FeLV ) is one of the most important infectious diseases of cats worldwide. Affected cats can develop anemia (a low red blood cell level), cancers, and/or suppression of the immune system. The disease worsens over time and is usually fatal. The virus can infect domestic and wild cats (such as lions). Widespread testing and vaccination efforts have helped to reduce the ...
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. Vaccination and identification of infected cats is important in preventing disease transmission.

Feline Leukemia Virus (FeLV) Symptoms, Vaccine, Treatment
WebMD explains feline leukemia virus ( FeLV ), including symptoms, risk factors, treatments, and prevention.








Feline leukemia virus , a retrovirus, is a common infection of cats. It is the cause of more cat deaths, directly or indirectly, than any other organism and is widespread in the cat population.