Feline Leukemia Virus

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 (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. The virus commonly causes ...
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 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
Discover how feline leukemia in cats spreads, its symptoms, and how to protect your cat through testing, vaccination, and early care.
Pete Wedderburn, DVM explains the causes, symptoms, and treatment of Feline Leukemia . Keep reading to demystify this condition.

Feline Leukemia Virus Brochure
Feline leukemia virus adversely affects the cat's body in many ways. It is the most common cause of cancer in cats , it may cause various blood disorders, and it may lead to a state of immune deficiency that hinders the cat's ability to protect itself against other infections.
Cats Cat Health Diseases and Conditions 8 Early Warning Signs of Feline Leukemia Virus (FeLV) The first signs of feline leukemia can be tricky to detect. If you have a cat , here's what to look for.

Feline Leukemia
Feline leukemia virus (FeLV) is a contagious retrovirus that suppresses immunity and causes severe illness. FeLV is spread through saliva, blood, and other secretions, but cannot infect humans or non- feline animals. Preventive measures like testing, vaccination, and avoiding exposure to infected cats help protect against FeLV.








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.