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.
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.
Feline leukaemia virus (FeLV) is an incurable viral infection in cats. It damages the immune system by attacking the bone marrow, making cats vulnerable to

A feline leukemia virus, also known as FeLV, diagnosis used to be a literal death sentence for a cat. Even just 10 years ago, many shelters required euthanasia for all cats that tested positive for it.
Causes of Feline Leukemia Virus (FeLV). FeLV in cats is spread through saliva. It is spread most commonly from those exposed to one another for longer periods of time through mutual grooming, mating, or shared food/water/litter boxes.

Feline leukemia virus (FeLV) is a leading cause of death among cats, and approximately 2% to 3% of all U.S. cats are affected. Our Animal Emergency Care team wants to ensure your pet is protected from this fatal virus, and we discuss signs, treatment, and prevention.
FELVFeline Leukemia Virus. Feline leukemia is the second common viral disease. Unlike those with FIV, FELV cats do NOT live a long nor healthy life after they are infected. The average lifespan of a positive testing cat is about two to three years.

Feline leukemia, FeLV, is a virus-based disease that can suppress a cats immune system and impair its ability to fight off other viruses, bacteria and even fungus. It can cause life-threatening anemia, lymphoma (a cancer affecting lymphatic tissue) and lead to serious health problems.