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.
Only about 3% of cats in single-cat households have the virus, but for cats that spend time outdoors, the rate is much higher. Still, the prevalence of FeLV has decreased over the last 25 years because of vaccines and reliable tests. Symptoms of Feline Leukemia Virus.
Learn important information about cat leukemia, including how it spreads, common symptoms, testing & diagnosis info, treatments and prevention options.

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.
As a cat parent, hearing the words feline leukemia can be frightening. This serious viral infection harms cats worldwide, affecting between 2-3% of all cats in the U.S. 1. This deadly virus doesnt just make cats sick it affects their immune system and can shorten their lives.

Learn how much a feline leukemia test costs at Essentials PetCare, and why the FeLV and FIV tests are important for your cats health.Cats who have Feline Leukemia may present with some of the following symptoms
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 is are caused by what is known as a retrovirus. The disease is also called FeLV. A retrovirus spreads by inserting something called an enzyme into healthy cells. The infection is found in 2% - 3% of all cats and is the leading cause of cancer in cats.