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 virus (FeLV) is one of the most common and important infectious diseases in cats, affecting between 2-3% of all cats in the United States and Canada. Infection rates are significantly higher (up to 30%) in cats that are ill or otherwise at high risk (see below).
Major Clinical Signs: Lethargy, fever, pallor, stomatitis, signs of underlying lymphoma or leukemia, signs of immune-mediated disorders or opportunistic infections.
This guide provides a clear, vet-reviewed overview of both early and advanced FeLV signs in cats, empowering you to recognize potential warning signs and take appropriate action for your feline companions health.
Transmission of feline leukemia virus: Transmission occurs between cats in close contact with each other primarily through the oral nasal route or bite wounds. Vertical or horizontal transmission can also occur between a queen and her kittens.
Feline Leukemia Virus (FeLV): Signs, Prevention, Prognosis.Feline leukemia virus is typically spread from infected cats to non-infected cats through close personal contact, usually involving saliva. It can be spread by grooming, shared food bowls, bites, and other forms of close contact.
