Toronto Cat Health

Adopting an FIV-Positive Cat in Toronto

FIV-positive cats are among the most overlooked in rescue, and that is a shame, because most are healthy, affectionate cats that make wonderful indoor companions. FIV weakens the immune system slowly, spreads mainly through serious bite wounds (not casual contact), and is not transmissible to people or dogs. With good indoor care and regular vet visits, most live long, happy lives. Here is what to know.

8 min read · Updated July 10, 2026
Author: LocalPetFinder Team
A healthy, content indoor cat resting in a bright Toronto home

The short answer

FIV (Feline Immunodeficiency Virus) slowly weakens a cat's immune system, but many FIV-positive cats stay healthy for years and live long lives with good indoor care and regular vet visits. It spreads mainly through deep bite wounds, not casual contact, so a calm, neutered, indoor household carries little risk, and FIV-positive cats can often live peacefully with other cats. FIV does not affect people or dogs. These lovely cats are frequently overlooked, so adopting one is a genuinely good deed. Always confirm a specific cat's care with your vet.

The most important myth to clear up: an FIV-positive diagnosis is not a death sentence or a reason to pass a cat over. FIV is a slow-acting virus, and plenty of FIV-positive cats never show symptoms for years, if ever. The Cornell Feline Health Center notes that FIV-positive cats can live for years with no adverse effects and stresses that the virus spreads through bite wounds, not casual contact. Because they should be indoor-only anyway, and indoor-only is standard in Toronto, they suit the vast majority of homes.

This article is general information, not veterinary advice. FIV varies from cat to cat, so the specifics of any individual cat's health, whether it can join a multi-cat home, and its care plan are decisions to make with your veterinarian and the rescue that knows the cat. If you are new to cats generally, our adoption guide and indoor-cat guide pair well with this one.

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FIV-positive cats wait far longer than they should. Browse adoptable Toronto cats and ask the rescue about any FIV cats needing an indoor home.

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Frequently Asked Questions

What is FIV?

FIV stands for Feline Immunodeficiency Virus. It is a virus that affects cats (not humans and not dogs) and gradually weakens the immune system over time. Many FIV-positive cats stay healthy for years and show no signs, while a weakened immune system can make some cats more vulnerable to other infections as they age. There is no cure, but FIV is managed rather than treated: good indoor care, a steady routine, and regular vet visits let most FIV-positive cats live long, comfortable lives. Your vet is the right source for a specific cat.

How does FIV spread?

FIV is spread primarily through deep bite wounds, the kind that happen in serious fights between cats, usually among unneutered outdoor toms defending territory. It is not spread through casual, friendly contact like sharing food bowls, grooming, or sleeping together, and it is not airborne. Because the main route is fighting, keeping cats indoors and neutered dramatically lowers any risk. It is not transmissible to people or to dogs. Ask your vet or the rescue for guidance on any specific household situation.

Can an FIV-positive cat live with other cats?

Often, yes, in a calm, stable household where the cats get along and do not fight, since FIV mainly spreads through serious bite wounds rather than everyday contact. Many FIV-positive cats live happily with FIV-negative cats for years. The key is a peaceful, neutered, indoor household without the kind of fighting that breaks skin. Because every situation is different, this is exactly the kind of decision to make with your vet and the rescue, who can advise based on the specific cats involved.

Do FIV-positive cats need special care?

Mostly they need good, consistent basic care. That means keeping them indoors (which protects them and prevents any spread), feeding a good-quality complete diet, staying on top of parasite prevention, keeping their environment low-stress, and seeing the vet regularly so any issue is caught early, since an FIV cat can be a bit more vulnerable to secondary infections. They do not need a cure or daily medication just for being FIV-positive. Your vet will tailor the plan; treat dental and other small issues promptly.

Why should I consider adopting an FIV-positive cat?

FIV-positive cats are among the most overlooked in rescue, which means loving, adoptable cats wait far longer for homes despite often being perfectly healthy, affectionate companions. As indoor-only pets (which is standard in Toronto anyway), they fit most homes beautifully. Adopting one opens a spot for the rescue to help another cat, and you get a wonderful companion that might otherwise be passed over. Many Toronto rescues can walk you through exactly what an individual FIV cat needs.

Where can I adopt an FIV-positive cat in Toronto?

Toronto rescues like the Toronto Humane Society and foster-based groups such as Toronto Cat Rescue and Annex Cat Rescue periodically have FIV-positive cats looking for indoor homes, and because these cats are often overlooked, rescues are usually glad to talk you through the care. Browse adoptable Toronto cats on LocalPetFinder and ask the rescue directly if a cat you like is FIV-positive and what its care looks like. A foster-based rescue can tell you how the specific cat has been doing in a real home.

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