Felineleukemiavirus is a retrovirus that infectscats. FeLV can be transmitted from infectedcatswhen the transfer of saliva or nasal secretions is involved.
Learn important information aboutcatleukemia, including how it spreads, commonsymptoms, testing & diagnosis info, treatments and prevention options.
Burmesecatwith a blue collar. FelineLeukemiaSymptoms.Catsin the early stages often don’t show any signs of the virus. However, as time goes on, the infectedcat’s health may begin to decline.Symptomsof FeLV include

CommonCatLeukaemiaSymptoms: Lethargy:Catsinfected with FeLV often exhibit increased fatigue and a lack of interest in activities they once enjoyed. Weight Loss: Unexplained weight loss can be a sign of various health issues, including FeLV.
FelineLeukemia(FeLV) is often a confusing subject because of its name. In humans,leukemiais a type of cancer of the blood and bone marrow, but incatsleukemiais actually a virus.

Felineleukemiavirus (FeLV) is one of the most common and important infectious diseases incats, affecting between 2-3% of allcatsin the United States and Canada. Infection rates are significantly higher (up to 30%) incatsthat are ill or otherwise at high risk (see below).
Felineleukemiavirus can have manysymptoms, andcatsmay not show any signs during the early stages.Symptomscan develop over weeks, months, or even years. Some common signs include: Pale gums (anemia). Decreased appetite. Weight loss.