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.
Symptoms of Feline Leukemia Virus. Cats infected with FeLV may exhibit one or more of the following symptoms: Pale gums. Yellow color in the mouth and whites of eyes.

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 (FeLV), known as Feline Leukemia Virus; It is an RNA virus that can replicate in many cells, such as the salivary gland, bone marrow, and respiratory tract. Once the virus enters the body, it multiplies in the cells.

FeLV (Feline Leukemia Virus) causes a wide range of symptoms in cats. This is because the virus targets both the immune system and the bone marrow. Because FeLV infection weakens the cat's immune system, symptoms can be subtle or sudden.
Feline leukemia (or FeLV) is the leading viral killer of cats. It weakens the immune system, increases susceptibility to other diseases, causes blood disorders and is the most common cause of cancer in cats. Symptoms.
Feline Leukaemia Virus (FeLV) is a serious disease that attacks the immune system and causes cancers such as lymphoma and leukaemia. Read our vets' advice on symptoms, treatment and prevention.