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.
The virus is not persistent in the environment and typically only survives a couple hours outside a cats body. The virus is typically transmitted through fighting, mutual grooming, playing, and rarely through shared litterboxes or bowls.
Outdoor cats face a significantly higher risk of exposure to feline leukemia virus (FeLV) due to their increased contact with other felines. Unlike indoor cats, who have limited interactions, outdoor cats roam freely, encountering stray or infected cats in shared spaces like alleys, gardens, or feeding areas.
Feline leukemia is primarily transmitted through direct contact with infected cats. Consider regular veterinary check-ups and vaccinations to protect against common outdoor risks. Using vet-approved tick and flea preventatives helps in reducing bug-related risks.
The risk increases if they spend any time outside or with other cats who have not tested negative (even cats that hang out in screened in rooms or catios may have saliva contacts with other cats).
Burmese cat with a blue collar. Feline Leukemia Symptoms. Cats in the early stages often dont show any signs of the virus. However, as time goes on, the infected cats health may begin to decline. Symptoms of FeLV include
The feline leukemia virus is transmitted from a sick cat to a healthy one through: Saliva and nasal secretions (through grooming and shared food or water bowls). Urine and feces. Blood bites from infected cats (especially in outdoor/stray populations) most common.
Only about 3% of cats in single-cat households have the virus, but for cats that spend time outdoors, the rate is much higher. Still, the prevalence of FeLV has decreased over the last 25 years because of vaccines and reliable tests. Symptoms of Feline Leukemia Virus.
