feline leukemia vaccine - PETS
Feline Leukemia (FeLV) vaccines are licensed to stimulate immunity to FeLV in cats. Various formulations are available, including inactivated, whole virus vaccines, recombinant subunit vaccines; and genetically-engineered, subunit recombinant vaccines linked with a canary pox vector virus. Learn how often cats need the feline leukemia vaccine, from kitten series to adult boosters, and why your cat’s lifestyle affects the schedule.
Understanding the Context
We’re going to take a closer look at what feline leukemia is, how the vaccine works, and what the pros and cons of vaccination are. For low-risk adult cats, it is considered a non-core vaccine. Feline leukemia virus is usually ultimately fatal. but infected cats may still have a good quality of life.
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Key Insights
The average survival time after diagnosis is 2.4 years, but some cats will appear "healthy" for multiple years. Feline Leukemia Virus (inactivated virus). Shown to be effective for vaccination of healthy cats 9 weeks of age or older against feline leukemia viruses. Duration of immunity is at least 2 years. Also shown to be effective against persistent viremia in cats exposed to virulent feline leukemia virus.
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Based on recommendations by the Feline Veterinary Medical Association (FelineVMA), current research and expert opinion recommend FeLV vaccination for all kittens, and then on an as-needed basis for adult cats. There are two primary types of FeLV vaccines available: Both types of vaccines are effective in preventing FeLV infection. Your veterinarian can help you decide which type is best suited for your cat based on their health and lifestyle. Only cats that test negative for FeLV should be vaccinated, and even those that have received the vaccine should be tested if there has been a possible exposure to the virus.