Do indoor cats need vaccines?
Updated By PetymFacts checked against official sources on
Quick answer
Yes. Veterinary guidelines recommend the core vaccines (panleukopenia, herpesvirus and calicivirus, usually one shot written FVRCP or Tricat) for every cat, including cats kept indoors all the time, because these viruses come in on shoes, clothes and hands. In India, WSAVA also advises rabies vaccine for all cats, because rabies is endemic.
What an indoor life can change is how often boosters are needed and whether non-core vaccines such as FeLV apply. That is your vet's decision, based on your cat's age, whether it boards, and whether other cats visit. The full timetable is in Petym's cat vaccination schedule guide.
How can a cat that never goes out catch anything?
The germs come to the cat. Guidelines name your shoes, clothes and hands.
The 2020 AAHA/AAFP feline vaccination guidelines say indoor-only cats may still be at risk of exposure, including by pathogens brought in from outside on the owner's body, clothing or shoes. The same guidelines note that, in theory, strictly indoor cats may be more susceptible to some infections, because they have not met them before.
Panleukopenia, the P in FVRCP, is the main reason. The Merck Veterinary Manual says the virus can persist for more than a year in the environment unless potent disinfectants are used. International Cat Care notes that even dogs, which are not affected, can carry it in, so a cat in a tenth-floor flat can still meet it. Cat flu viruses spread on bowls and clothing too.
In Indian homes the routes are everyday ones: you feed community cats downstairs, a neighbour's cat wanders onto the balcony, you visit a friend with a new kitten, or a domestic helper comes from a home with pets. None of this is anyone's fault. It is why the core vaccine is recommended for every cat.
Which vaccines does an indoor cat in India need?
How the guidelines sort the vaccines for a cat that stays home. Your vet sets the actual plan.
| For an indoor cat | Why | |
|---|---|---|
| Panleukopenia (FPV) Merck Veterinary Manual | Core: yes | A severe, often fatal gut virus that lasts more than a year in the home and travels on objects. |
| Herpesvirus and calicivirus (cat flu) International Cat Care | Core: yes | More than 90% of cat flu is caused by these two viruses, which spread on bowls and clothing. |
| Rabies WSAVAstudy | Yes in India | WSAVA advises all cats in rabies-endemic areas be vaccinated, even where no law requires it. |
| FeLV (feline leukaemia) AAHA/AAFP (Journal of Feline Medicine and Surgery, 2020)study | Ask your vet | AAHA/AAFP treat it as core for kittens and young cats under 1 year; for an adult indoor cat living alone it may not be needed. |
| Other non-core vaccines Cornell University College of Veterinary Medicine | Usually not, unless the vet advises | Cornell says choosing a non-core vaccine involves a careful look at the cat's lifestyle. |
Petym's cat vaccination schedule guide gives the timetable from WSAVA, AAHA/AAFP and ICAR-IVRI.
Why does an indoor cat in India need the rabies vaccine?
Because India is rabies-endemic, and one bite from an animal that gets into the home is enough.
WSAVA's 2024 guidelines advise that all cats in rabies-endemic areas be vaccinated against rabies, even where the law does not require it. India's National Action Plan for dog-mediated rabies elimination treats rabies as endemic across the country, with the Andaman and Nicobar Islands and Lakshadweep the exceptions. The World Health Organization says rabies is virtually 100% fatal once clinical signs appear.
Indoor cats meet other animals more than owners think: a community cat on the balcony, a kitten brought home from the street, a new pet in the family. If a person in the home is ever bitten or scratched, they should wash the wound and see a doctor, who decides on treatment; tell the doctor whether the cat is vaccinated.
Does an indoor life change what your cat needs?
Sometimes, mainly the boosters. These are the situations vets weigh.
If Your indoor adult cat never boards and no other cats visit
The core vaccines and rabies still apply. WSAVA allows core boosters every 3 years or longer for low-risk indoor cats; ICAR-IVRI lists yearly boosters. Your vet chooses. Kitten and cat vaccination schedule WSAVAstudy
If Your cat will board in a cattery or a sitter's home, even once a year
That raises cat flu risk. WSAVA advises the herpesvirus and calicivirus parts up to yearly for cats that board regularly. Book the vet well before the trip. Vaccines before boarding WSAVAstudy
If Your cat is a kitten under a year old
AAHA/AAFP treat FeLV as core for cats under 1 year, after a negative test, because young cats are more susceptible. Ask your vet. AAHA/AAFP (Journal of Feline Medicine and Surgery, 2020)study
If You are bringing a new cat or a rescued kitten home
Vaccinate and, where advised, test the newcomer, and keep it apart until your vet says it is safe. Cornell University College of Veterinary Medicine
If Your cat's vaccines are overdue or the history is unknown
Cornell says overdue adult cats should simply get booster vaccines; your vet decides how many. Cornell University College of Veterinary Medicine
What do owners of indoor cats often get wrong?
You may have read
My cat never leaves the flat, so it cannot catch panleukopenia.
Myth
What the sources say
The virus lasts more than a year in the environment without the right disinfectant and is carried in on objects and people. Merck Veterinary Manual
You may have read
Cats do not get rabies, only dogs.
Myth
What the sources say
Cats do. WSAVA advises rabies vaccination for all cats in endemic countries such as India. WSAVAstudy
You may have read
Indoor cats are safer from every disease, so they need no protection.
Myth
What the sources say
AAHA/AAFP note that strictly indoor cats may in theory be more susceptible to some infections, because they have never met them. AAHA/AAFP (Journal of Feline Medicine and Surgery, 2020)study
You may have read
Vaccines are riskier than the diseases for a house cat.
Myth
What the sources say
Cornell says vaccine risks are mostly short-term allergic reactions and, uncommonly, injection-site sarcomas, and still recommends core vaccines for indoor cats. Discuss any worry with your vet. Cornell University College of Veterinary Medicine
What should you do next?
Find your cat's vaccination card and check the next-due dates. If there is no card, or the dates have passed, book a vet visit and say your cat lives indoors; the vet will plan the core vaccines, rabies and boosters around that. Keep a photo of each page of the card on your phone, because a sitter, cattery or vet may ask for it. If your cat is ever bitten or scratched by an unknown animal, call your vet the same day, and any person bitten should see a doctor.
Going away soon? Tell us your dates.
A checked local sitter feeds, walks and keeps your pet company at home, follows your care sheet to the letter and sends a photo every day. Petym is opening city by city: send your dates and we will tell you when a sitter can take them.
- Meet your sitter first, free
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Questions owners ask
Does my indoor cat need the rabies vaccine in India?
- Yes. WSAVA advises that all cats in rabies-endemic areas be vaccinated against rabies, even where the law does not require it, and India is endemic for rabies outside the Andaman and Nicobar Islands and Lakshadweep. A single bite from an infected animal that gets into the home is enough.
What vaccines does an indoor cat need?
- The core vaccine against panleukopenia, herpesvirus and calicivirus, often written FVRCP or Tricat on Indian cards, and in India rabies. FeLV is considered for kittens under a year and for cats that meet other cats. Your vet decides the plan and the booster timing for your cat's life.
How often does an indoor cat need boosters?
- It depends on the vaccine and the guideline. WSAVA allows core boosters every 3 years or longer for low-risk indoor cats that never board, while ICAR-IVRI in India lists yearly boosters. Rabies follows local rules and the vaccine's licence. Your vet chooses and writes the next date on the card.
My cat is 5 and has never been vaccinated. Is it too late?
- No. Cornell's Feline Health Center says adult cats that are overdue should receive booster vaccines, whatever the time since the last dose. Book a vet visit, say the history is unknown, and your vet will decide how many doses are needed and in what order.
Can I skip vaccines if my cat stays home while I travel?
- No. A sitter coming in daily brings the outside in, just as you do. If your cat will board in a cattery or another home instead, WSAVA treats regular boarding as higher risk for cat flu. Check the card well before you go, so any booster has time to work.
Keep reading
- Cat vaccination schedule in IndiaThe full timetable for kittens and adult boosters.
- Vaccines before boarding
- Cat boarding
- Caring for a cat
- Caring for a kitten
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Sources
Each source was opened and read on the date shown. How Petym checks its sources
- Cornell University College of Veterinary Medicine: Feline vaccines: benefits and risks (Cornell Feline Health Center) (opens in a new tab)
- Merck Veterinary Manual: Feline panleukopenia (opens in a new tab)
- International Cat Care: Feline infectious enteritis (feline parvovirus / panleukopenia virus) (opens in a new tab)
- International Cat Care: Cat flu (upper respiratory infection) (opens in a new tab)
- National Centre for Disease Control, Ministry of Health and Family Welfare: National Action Plan for Dog Mediated Rabies Elimination from India by 2030 (opens in a new tab)
- World Health Organization: Rabies: fact sheet (opens in a new tab)
Show all 10 sourcesShow fewer
- Cornell University College of Veterinary Medicine: Feline leukemia virus (Cornell Feline Health Center) (opens in a new tab)
- ICAR-IVRI: Vaccination of dogs and cats (Hindi leaflet, 2020) (opens in a new tab)
- AAHA/AAFP (Journal of Feline Medicine and Surgery, 2020): 2020 AAHA/AAFP feline vaccination guidelines (opens in a new tab)
- WSAVA: 2024 guidelines for the vaccination of dogs and cats (WSAVA Vaccination Guidelines Group, Journal of Small Animal Practice) (opens in a new tab)