Feline leukemia virus (FeLV) and feline immunodeficiency virus (FIV) are retroviruses with a global impact on the health of domestic cats. The two viruses differ in their potential to cause disease. FIV can cause an acquired immunodeficiency syndrome that increases the risk of developing opportunistic infections, neurological diseases, and tumors.
If the immune response does not eliminate the virus after initial exposure, FeLV spreads to the bone marrow and infects hematopoietic precursor cells.1 FeLV infection in the hematopoietic and lymphoid tissues can cause either cellular proliferation (resulting in lymphoma or leukemia) or myelosuppression.1 This can cause immune dysregulation and ...

As we can see from the illustration, Feline Immune Leukemia Syndrome has many fascinating aspects to explore.
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 ...

Furthermore, visual representations like the one above help us fully grasp the concept of Feline Immune Leukemia Syndrome.
Feline Leukemia Virus Feline leukemia virus (FELV) is a contagious and often fatal virus that is widespread in the cat population. What is commonly called feline leukemia is not one disease, but a syndrome associated with the feline leukemia virus. This potent virus primarily attacks the cats immune system and the cat becomes more susceptible to secondary infections and disease, including ...

Sponsored by CareCredit. Feline Leukemia Virus (FeLV) is found worldwide in domestic cats. Its name is misleadingFeLV does not cause leukemia, which is a cancer of the blood cells. FeLV does however severely affect your cats immune system.
Feline Vaccines: Benefits and Risks. Feline immunodeficiency virus (FIV) is one of the most common and consequential infectious diseases of cats around the world. In infected cats, FIV attacks the immune system, leaving the cat vulnerable to many other infections.
Feline Immune Support is scientifically formulated to aid your cat's innate immune system in its role of protecting against disease-causing organisms.Feline leukemia is the most common cause of cancer in cats. Learn about the symptoms and how to provide the best nutrition for your cat.