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.
Pet Parent Resources. Feline Leukemia: Causes, Vaccine, & Symptoms.Feline leukemia virus, also known as FeLV, is one of the more common infectious diseases affecting cats. Based on the name, you might think that FeLV is a blood cancer like leukemia in humans.
Feline leukemia virus (FeLV) is second only to trauma as the leading cause of death in cats, killing 85% of persistently infected felines within three years of diagnosis.Symptoms of Feline Leukemia Virus. Cats infected with FeLV may exhibit one or more of the following symptoms
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.

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Table of ContentsHow Do Cats Get Feline Leukemia?What Are the Symptoms of Feline Leukemia?The feline leukemia virus, commonly referred to as FeLV, is one of the leading causes of death...
Feline Leukemia Clinical Signs and Symptoms.The presence of other infections in the body, such as those caused by calicivirus or panleukopenia, can worsen these disorders generated by FeLV. Feline Leukemia Clinical Signs and Symptoms.
Are you concerned about feline leukemia? It is the most common cause of cancer in cats. Learn about the causes and symptoms of feline leukemia and how to pro...

Weakness Feline leukemia causes chronic weakness in infected cats. Again, lethargy is a common symptom of other ailments but prolonged weakness could be a symptom of something serious. Fever Especially in the acute stage of the disease, fever is commonly present.
Feline Vaccines: Benefits and Risks. Diarrhea. Neurological Disorders. Feline Vision Problems: A Host of Possible Causes. 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.