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).
Feline leukemia is a disease that only affects cats -- it cannot be transmitted to people, dogs, or other animals. FeLV is passed from one cat to another through saliva, blood, and to some...
It occurs in cases of overwhelming bacterial infections, some drug reactions (which can cause pancytopenia, a condition in which all blood cells show low counts), and viral diseases such as feline leukemia virus (FeLV) infection and distemper.

Feline Leukemia disease is caused by the Feline leukemia virus (FeLV). The virus is a single-stranded RNA virus belonging to the Retroviridae family. Now it is known to have evolved from a similar virus in the rat. The virus is a tumor producing and oncogenic.
Feline leukemia virus (FeLV) is a virus that infects cats. It was first identified in cats that had a form of leukemia (cancer of the white blood cells), but it is now known to cause a range of serious health problems.

Moving forward, it's essential to keep these visual contexts in mind when discussing What Causes Leukemia In Cats.
Discover how feline leukemia in cats spreads, its symptoms, and how to protect your cat through testing, vaccination, and early care.