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Core vs. Noncore Vaccines — Calgary

Vaccine recommendations for dogs fall into two categories: core (required for every dog, regardless of lifestyle) and noncore (recommended based on individual risk factors like where you live, what your dog does, and where they spend time). The 2022 AAHA Canine Vaccination Guidelines are the most current evidence-based reference for this distinction. Knowing which category each vaccine falls into helps you have a more informed conversation with your vet.

Key Context

Why This Matters

Preventive

Both over-vaccination and under-vaccination carry real consequences. Dogs given annual DA2PP boosters beyond what immunity requires are exposed to unnecessary antigen load and cost. Dogs skipping lifestyle-appropriate noncore vaccines like Bordetella or Leptospirosis face genuinely elevated disease risk — particularly in shared care environments like daycare, boarding, or dog parks. Understanding the distinction helps you protect your dog appropriately.

Evidence-Based

Key Facts

Source: 2022 AAHA Canine Vaccination Guidelines

Core vaccines for all dogs per AAHA 2022: DA2PP (Distemper, Adenovirus-2, Parvovirus, Parainfluenza) and Rabies — every dog, every region, no exceptions.

2022 AAHA Canine Vaccination Guidelines

The DA2PP puppy series is given every 3–4 weeks from 6–8 weeks of age until 16 weeks, followed by a 1-year booster, then every 3 years for adults with demonstrated immunity.

2022 AAHA Canine Vaccination Guidelines

Bordetella (kennel cough) is classified as noncore by AAHA but is effectively required for any dog using group settings — daycare, boarding, training, or dog parks.

2022 AAHA Canine Vaccination Guidelines

Leptospirosis is noncore but is increasingly recommended as near-core for urban Calgary dogs given the city's river system and wildlife population (coyotes, rodents, deer).

2022 AAHA Canine Vaccination Guidelines

Titre testing (measuring existing antibody levels) can confirm adequate immunity and replace booster vaccines in adult dogs with a documented history — reducing unnecessary vaccination.

2022 AAHA Canine Vaccination Guidelines

Alberta law requires rabies vaccination — either annually or every 3 years depending on the vaccine product used — for all dogs.

Alberta Animal Protection Act

Action Steps

What Owners Should Do

Practical steps you can take right now.

  1. 1

    Ask your vet to show you which vaccines are core vs. noncore and explain the reasoning for each recommendation specific to your dog.

  2. 2

    Ensure your dog's DA2PP puppy series is complete by 16 weeks — incomplete series leave a protection gap during the highest-risk developmental window.

  3. 3

    Get Bordetella vaccinated annually if your dog attends daycare, boarding, training classes, or dog parks — the aerosol transmission route makes this a group-setting essential.

  4. 4

    Discuss leptospirosis vaccination with your vet if your dog swims, visits Calgary's river parks, or has any outdoor wildlife exposure.

  5. 5

    Ask about titre testing instead of automatic boosters once your adult dog has a complete vaccination history — many dogs maintain protective immunity longer than the label interval.

  6. 6

    Keep a vaccination record and share a copy with your daycare or boarding facility — don't rely on your vet's system to notify them.

  7. 7

    Don't wait until the annual exam to renew vaccines — build reminders into your calendar based on expiry dates.

Red Flags

Warning Signs to Watch For

Know when something needs attention.

  • Your dog hasn't seen a vet in over 12 months — vaccination status is almost certainly lapsed.
  • You can't produce a written vaccination record — verbal assurances are not sufficient for most daycare or boarding facilities.
  • Your puppy has only had one or two vaccines in the series and you believe they're protected — the series isn't complete until 16 weeks.
When to See a Vet

Schedule a vaccination review at every annual wellness exam. If you've recently adopted a dog with unknown history, see a vet within 2 weeks — a full vaccine history review and potentially restarting the core series is appropriate.

From the Pack

The PAWS Perspective

What We See

The most common compliance gap we see is lapsed Bordetella — owners renew DA2PP and rabies at the annual exam but forget Bordetella was due 2 months earlier. The second most common is incomplete puppy series — someone brings a 14-week puppy who's had one vaccine and assumes they're covered.

How Daycare Connects

Our vaccination requirement isn't bureaucracy — it's how a shared environment with dozens of dogs maintains baseline biosafety. Every dog in our pack is only as protected as the least-vaccinated dog in it. Individual compliance protects the whole group.

Eric's Take
"I require DA2PP and Bordetella from every dog, every time. If records aren't current, they don't come in — not because I enjoy the conversation, but because I've seen what kennel cough does to a facility and I have no interest in experiencing it again. Vaccines aren't optional in a shared care environment."

— Eric Yeung, Owner, PAWS Dog Daycare

Honest Note

We are not veterinary professionals and we don't give vaccination advice specific to any individual dog. The guidance here reflects AAHA 2022 guidelines and general Calgary context — always confirm your dog's specific protocol with your vet.

Common Questions

Core vs. Noncore Vaccines: What Your Dog Actually Needs — FAQs

Does my dog really need vaccines every year?
Not necessarily all of them. DA2PP boosters are given at 1 year then every 3 years per AAHA guidelines for most adult dogs with documented immunity. Bordetella and Leptospirosis are typically annual. Rabies depends on the vaccine product. Ask your vet to show you the schedule for your dog specifically.
Why does PAWS require Bordetella if it's classified as noncore?
Bordetella is noncore in the sense that not every dog needs it — a dog that never leaves the house doesn't. But any dog in a group environment faces genuine aerosol transmission risk. Our requirement isn't arbitrary — it's the most basic protection available for shared-space settings.
Is leptospirosis vaccination required at PAWS?
We highly recommend it for all PAWS dogs given Calgary's urban wildlife and river system, but it is not currently a mandatory requirement. That said, more Calgary vets are treating it as near-core, and we expect that to continue shifting.
What is titre testing and should I use it?
Titre testing measures antibody levels in your dog's blood to determine if they have protective immunity. If levels are adequate, a booster may not be necessary. It costs more than a vaccine but is a reasonable option for dogs with a complete documented history. Ask your vet if it makes sense for your dog.
Can my dog be vaccinated and still get sick?
Yes, for some diseases. Bordetella vaccination significantly reduces severity and duration but doesn't guarantee complete protection — multiple pathogens cause kennel cough and not all are covered. Parvo and distemper vaccines have >99% efficacy when properly administered. No vaccine is absolute, but vaccinated dogs are far better protected than unvaccinated ones.
My dog had a vaccine reaction before — what should I do?
Tell your vet before any future vaccination. Minor reactions (soreness, mild swelling) are common and manageable. Serious reactions (facial swelling, vomiting, collapse) are rare but require premedication or alternative protocols. Skipping core vaccines entirely because of a past reaction carries its own serious risks — this is a conversation to have with your vet, not a unilateral decision.
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