The main effect of the virus is to disrupt the cat's immune system. While anemia is the most common disorder caused by the virus, cancer and various other diseases are common. Return to menu. Vaccination before exposure to the virus is the best means of preventing FeLV infection. Without vaccination, isolation from other cats is the only means of prevention.
Indoor cats are at low risk for developing FeLV infection.
Keep indoor unvaccinated cats away from outdoor cats, or have them vaccinated. Because infected cats are at high risk for developing cancer or other life-threatening diseases they should be maintained as indoor cats. Immune stimulation with various natural therapies may help improve quality of life and the disease-free interval. Return to menu. It is likened to the AIDS virus that affects humans because of the similarities in the two diseases which result.