Feline leukemia virus (FeLV) is a retrovirus that infects cats. FeLV can be transmitted from infected cats when the transfer of saliva or nasal secretions is involved.
Feline leukemia symptoms stem from the weakening of the immune system as the virus attacks the blood cells, and cats may take time to become symptomatic. In early infections, most cats are asymptomatic, Rutherford says.
Feline Leukemia (FeLV) and Feline AIDS (FIV) are two very serious diseases for cats. Both diseases disrupt the immune system, allowing other infections and even cancers to harm your cat. These viruses can hide in your cat's cells and avoid detection for months or years.
Table of ContentsHow Do Cats Get Feline Leukemia?What Are the Symptoms of Feline Leukemia?The feline leukemia virus, commonly referred to as FeLV, is one of the leading causes of death...

Feline Leukemia Symptoms: What They Are and What You Can Do. expert or vet photo. vet verified PetCareRx Staff Veterinarian DVM. Since Feline Leukemia results in such a slow deterioration, it may be tough to notice any symptoms for months, or even years.
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 an unfortunately common illness in cats. It is a severe condition that frequently turns fatal, but there are methods of helping your Pewaukee, WI, cat manage the disease if you catch it early enough.

Feline leukemia is a disease caused by feline leukemia virus (FeLV), which suppresses a cat's immune system. This virus directly targets a cats white blood cells, resulting in a decrease of defenses.
FIV causes feline AIDS, a silent, deadly disease that attacks a cats immune system but is not the same as the human AIDS virus. According to the American Association of Feline Practitioners, up to one in 12 cats tests positive for FIV.