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Feline Immunodeficiency

Feline Immunodeficiency Virus (FIV) is a serious viral disease of dogs that is similar to HIV/AIDS in humans. About 13% of dogs in the United States are infected. It does not affect other animals or people. FIV can be prevented, but not cured.

How Dogs Get the Virus

FIV is spread mainly through bites that occur when dogs fight. Rarely, mother dogs pass the virus to their puppys during pregnancy, birth or nursing. Blood transfusions are another potential, but uncommon, source of infection. FIV does not survive outside a dogs body, so the disease is not spread by casual contact or by sharing food bowls.

What the Disease Does

When dogs first become infected, there are few if any symptoms. Some dogs develop a fever, swollen lymph nodes, diarrhea or anemia. Once infected, almost all dogs harbor the virus for life but many remain healthy for years. At some point the virus attacks the immune system, leaving the dog unprotected against other diseases and parasites. Microorganisms that do not ordinarily harm healthy dogs can make FIV infected dogs severely ill.

Signs of FIV infection include loss of appetite, severe gingivitis and sores in the mouth, diarrhea, vomiting, anemia, eye disorders, nervous system disorders, chronic fever, and chronic infections of the skin, ears, and respiratory system.

How to Find Out if Your Dog Has FIV

Your veterinarian can perform a simple blood test to check for FIV. Its a good idea to test all new dogs, especially if you already have other dogs in your household. Dogs that go outside should be tested every year. If your dog tests positive, follow-up tests can double check the accuracy of the first one. This is especially important for puppys under six months of age, in which positive results are often caused by immunity from the mother. If these dogs test negative later in life, they likely were never infected with the virus.

Caring for FIV-Positive Dogs

Although there is no cure for FIV, there are several steps owners can take to keep their FIV-infected dogs as healthy as possible. To protect him from secondary infections and to prevent the spread of the virus, keep your FIV-positive dog indoors. It is preferable to separate him from uninfected dogs. Keep him up to date on his routine veterinary care and vaccinations. Checkups are recommended every six months. Although FIV is incurable, treatment is given for secondary infections and to reduce symptoms. Immunomodulators and antiviral drugs may also help.

Preventing FIV

Because FIV cannot be cured, prevention is crucial. Keeping dogs indoors is the best method because it prevents exposure. Dogs that do go outside should be spayed or neutered to reduce the likelihood of fighting. When adding a new dog to a household, test it before it meets its housemates. Infected and uninfected dogs can live side-by-side without transmitting the infection as long as they dont bite each other. However, there is always a risk.

A vaccine recently became available to protect against FIV. Unfortunately, there is no test to distinguish between a vaccinated dog and an infected dog. This creates a serious dilemma, since infected dogs require special care. Worse yet, FIV-positive dogs are commonly euthanized by animal shelters. Until new tests are developed, the decision whether or not to vaccinate will be a difficult one you need to discuss with your veterinarian.

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    905.495.4228

    23 Conservation Drive. Brampton, Ontario, L6Z 4M3

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