Dog Flu Vaccine for Boarding: What to Do If It’s Scarce

You had the kennel booked during the week of Thanksgiving months ago. The boarding facility then sends the email: you need to provide evidence of a flu vaccination, and the office of your veterinarian reports that the vaccine is out of stock. Sound familiar? You are not the only one, and you have choices. You will find a clear schedule, an emergency plan and the warning signs that you should be alert of below, so your dog will not get sick and your holiday plans will run as planned.

Quick Answer: Ask every veterinary clinic within driving radius, request to be put on a waitlist, and schedule the first dose as early as possible, in case the flu shot is out of stock. The majority of dogs require two injections with intervals of 2-4 weeks and protection is said to be complete after approximately 2 weeks since the second injection. Inquire of your boarding house what kind of evidence it will accept now, and keep your dog out of the crowded dog areas until they can provide that evidence.

Why Is the Dog Flu Vaccine for Boarding So Hard to Find Right Now?

When the office of your vet continues to say that they are out, then you are not imagining things. This shot has been irregularly supplied over the last few years and most clinics receive batches of it in small, unpredictable quantities. This is based on a Tampa Bay news report which explained that there were clinics where there were no doses whatsoever and a humane society administering only booster doses as it awaited restocks (Source: FOX 13 Tampa Bay).

The squeeze can be dated back to 2022. One of the two large manufacturers of the U.S. had emptied its product, and Zoetis declared that it suddenly had to fill the whole national market. The company also noted that biological products take a long time to plan, make, and test (Source: Zoetis statement reported in veterinary trade press).

There is some good news. A peer-reviewed update of vaccines added two additional options to the market in 2025, Elanco TruCan Ultra and Merck Nobivac NXT (Source: Today Veterinary Practice). It may be a long time before a new product is available on the shelf of all clinics and, therefore, inquire of your vet what brand they stock.

Why Two Doses Make a Shortage Worse

A first time series is two dosages. When a clinic has few vials then it must decide between completing the series of dogs who are already in progress and initiating a new patient. There are also numerous clinics that vaccinate dogs in the middle of their series; thus, a new patient can wait even longer.

The unavailability of a vaccine is largely a time issue, rather than an end. The sooner you make the calls, the better.

Canine Influenza Vaccine Requirements for Boarding: What Facilities Typically Ask For

There is no national rule that informs kennels about what is required. Every facility has its policy, usually after consulting with its veterinarian. Tampa Bay reporters reported a humane society hospital director requests the shot to contain transmission, even in the absence of an outbreak, in the majority of boarding facilities (Source: FOX 13 Tampa Bay).

This is what that normally looks like in practice:

Call and ask about the policy before you panic and request them to be written. During the U.S. kennels, it is the holiday weeks that are quickly filled, and the ones that will most likely experience vaccine deadlines are Thanksgiving, Christmas, and spring break.

Do Dogs Need Flu Vaccine for Daycare? Who’s Most at Risk

Virtually every dog is capable of contracting this virus, and it is most rapidly spread in areas that have dogs that are in proximity to each other (Source: CDC). According to the American Veterinary Medical Association, the majority of dogs in North America lack built-in immunity, thus making it easy to target them.

The virus is passed on by coughs, sneezes, and common surfaces. It is as though the risk of your dog increases with each dog they encounter.

Higher-risk dogs include those that:

• Visit daycare/group play a few days a week.
• Gold plating at boarding kennels and particularly during the peak holidays.
• Go to dog parks or participate in group walks.
• Visit crowded grooming salons (the following are some of the red flags to keep in mind when going to a groomer)
• Be transported by shelters or rescue transports (an example of such transports in one state can be found in these shelter dog transport rules)

A dog that mostly walks alone with you and has hardly any contact with other dogs is at a significantly reduced risk. None of the shots is a force field, though. Even vaccinated dogs may fall ill, but the illness is less severe and shorter (Source: AVMA and veterinary guidance). Your vet can consider the lifestyle and health of your dog and explain to you whether or not the shot is reasonable.

How Long After Dog Flu Vaccine Can Dog Be Boarded? The Timeline Explained

The first-time series is administered twice with a two-four weeks interval (Source: San Francisco SPCA). The full protection is typically achieved approximately 2 weeks after the second injection, but your veterinarian and the label on the vaccine say the last word.

The following is an example of a three-week program, starting on the current date:

That date is on the eve of Thanksgiving on Nov. 26. Assuming you board at Christmas, a target of mid-November should be the start of the series. With a four-week gap between doses, add another week.

Last year dogs that received the series typically only require an annual booster and therefore their wait time is shorter. Remember to ask your vet if your dog is within the booster window. And be sure that some facilities also have their own cutoffs, so check with them what date they need.

What to Do If Dog Flu Vaccine Is Not Available: 5 Practical Fixes

Don’t cancel the trip yet. These steps can be followed in order:

1. Make calls to all the clinics in the area, not only to your usual vet. Add inexpensive clinics, mobile veterinary, and publicly run shelters. The inventory varies on a weekly basis, and, therefore, request to waitlist and call back.
2. Inquire which brand is available in each clinic. Various clinics can have various products. Question: do you have to take your second dose the same as the first dose?
3. Early talk to your boarding facility. Enquire about what evidence it will accept currently, which is a first-dose record or a waitlist confirmation. Policies they lay down, and some are strict.
4. Change to less exposure care. A pet sitter at home, a close friend or a small home boarding with only a few dogs all reduce the exposure of your dog to strangers. You can plan with our tips of pet travel and boarding.
5. Meanwhile cut back exposure. Avoid dog parks, crowded daycare days, and group walks. Take leash walks, wash your hands and change your clothes after coming in contact with unknown dogs (Source: AVMA).

Budget consideration: Doses can range around 20-50 each clinic and a full course of treatment can cost 40-100 before exams (Source: San Francisco SPCA and veterinary trade press). We can indicate the place of this in your annual budget by our analysis of the first-year dog expenses.

Canine Influenza Symptoms in Dogs: When to Call Your Vet

Two to three days after being exposed, many dogs display signs and they can transmit the virus before they appear ill. There are dogs which do not display any signs at all.

Watch for these warning signs:

• Coughing and sneezing
• Fever
• Runny nose, which becomes thick and yellow-green.
• Low energy
• Loss of appetite
• Rapid or rapid breathing.

(Source: Auburn University College of Veterinary Medicine, citing AVMA)

These symptoms are similar to those of kennel cough, and only a veterinarian will be able to know the difference. Testing is available. You should call your vet if you have the first cough or fever and pursue urgent care in case of difficulty breathing.

Do not ride a dog that is coughing. To reduce transmission, AVMA recommends that a sick dog should be isolated at least 21 days after ill (Source: AVMA tips, via Auburn University). The overview of dog flu by CDC reports that most dogs recover in two to three weeks but a small percentage of them die. It also states that the threat to individuals is minimal. To find out more on how to keep your dog healthy, visit our pet health guides.

The Bottom Lines:

One shot does not necessarily stop your plans. When making an appointment, be early, call multiple clinics, inquire about what your kennel can take, and minimize the amount of time your dog is exposed when you wait. When your dog catches a cough or fever, leave him at home and call the vet. Need additional ideas on how to keep your dog healthy this season? In dogs, our next step is to read our guide to New World screwworm.

References:

• Centers for Disease Control and Prevention (CDC). About Dog Flu.
• American Veterinary Medical Association (AVMA). Canine influenza (pet owner guide).
• American Veterinary Medical Association (AVMA). Canine influenza: Veterinary resources.
• Today’s Veterinary Practice. An Update on Canine Influenza Virus Vaccine Options (peer-reviewed).
• FOX 13 Tampa Bay. Dog influenza vaccine shortage causes problems for pet owners.
• San Francisco SPCA. Canine Flu.
• Auburn University College of Veterinary Medicine. No Reported Cases of Canine Influenza; Auburn Veterinarians Recommend Caution (citing AVMA tips).
• The Canine Review (May 31, 2023). Canine flu, vaccine shortages wreak havoc on shelters across the Midwest (Zoetis and Merck Animal Health statements).