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Do Dogs Need a Flu Shot? Combatting Dog Flu in Arizona

Combatting Dog Flu in Arizona: What to Know About Flu Shots for Dogs

Cases of dog flu in Arizona have been in the news recently, with some limited
outbreaks recorded in Northern Arizona. Naturally, we’ve had a lot of calls from
concerned pet parents. We totally get it. Our pets are beloved family members. With
these outbreaks, some of us are left asking: do dogs need a flu shot? Or worse, does
my dog have the flu?

Since we happen to have more than 100 knowledgeable veterinarians within our
AZPetVet family, we decided to ask Dr. Chris Hummel from Westbrook Animal
Hospital to answer the most frequently asked questions about the dog flu in Arizona.

Q: Is dog flu the same as people flu?

No. From a viral standpoint, dog flu is NOT the same as people flu. The two strains of
Canine Influenza viruses found in the United States are H3N8 which researchers
believe originated in horses, and N3N2 which is likely of avian origin imported
directly from Asia. In very rare cases the dog flu virus has been known to infect cats,
but the flu poses little risk to cats beyond a runny nose, coughing and/or sneezing.

People don’t get dog flu, and dogs don’t get people flu. However, in people and in
dogs, there’s a gap between being exposed to the flu virus and developing
symptoms. That’s why we’ll so often see outbreaks happen in clusters. Somebody is
contagious and doesn’t know it until it’s too late; then suddenly everyone is sick.

From the American Veterinary Medical Association:
“H3N8 has an incubation period of 1 to 5 days, with clinical signs in most cases
appearing 2 to 3 days after exposure. Dogs infected with H3N2 may start showing
respiratory signs between 2 and 8 days after infection. Dogs are most contagious
during the incubation period and shed the virus even though they are not showing
clinical signs of illness. Some dogs may show no signs of illness, but have a
subclinical infection and shed the virus.”

Q: How would a dog catch the flu?

Almost the same way a person would. The virus is transmitted through the air by
sneezing and coughing (or barking, drooling and licking), or by contact with infected
surfaces including areas like communal water dishes. Most likely, they would come into contact with another dog that’s contagious. So exposure to the dog flu in
Arizona usually happens at places where you find lots of dogs; the dog park, doggie
daycare, a boarding kennel, grooming salon or dog show.

Q: Does my dog have the flu? – Dog Flu Symptoms

Well, here’s another area where dog flu is similar to people flu. Dogs with the flu will
show symptoms like fever, lethargy, cough, stuffy or runny nose, and watery eyes,
difficulty breathing, wheezing or rapid breathing. Checking on your dog’s wellness is
key to answering the question “does my dog have the flu”. If these symptoms don’t
sound like your dog’s or are more severe, see this article about dog poisoning to help
determine if you’re dealing with something more serious.

You’ll be able to tell your dog is not feeling well. Keep them quiet and away from
other pets to avoid exposing them to the virus. You don’t want to spread the dog flu
in Arizona. After isolating your dog, then it’s time to get busy.

The Canine Influenza virus can remain viable on surfaces for up to 48 hours, on
clothing for 24 hours, and on hands for 12 hours. Wash your hands frequently. Wash
your clothing, and clean and disinfect other items your pet may have touched. These
include kennels and crates, food and water bowls, collars, leashes, bedding, and toys.

Q: Is dog flu dangerous?

Do dogs need a flu shot? Is it serious enough to warrant giving my dog a flu shot?
The severity of the flu varies depending on the viral strain, the pet’s age, and overall
health. Most otherwise healthy dogs will recover from the flu without a problem or any special treatment required. However, it’s important to note that the cough may
last for up to 3-4 weeks.

Older dogs with weakened immune systems or puppies with underdeveloped
immunity are more at risk as their bodies will have a harder time fighting the virus,
so there’s a higher risk for developing pneumonia.

Dogs with short muzzles, like pugs and bulldogs, already have a compromised
respiratory system. Sore throats and stuffy noses would naturally make them feel
quite sick, so they’d need close monitoring and a trip to the vet’s office.

Q: How is Canine Influenza treated?

There is no specific treatment for Canine Influenza; however, if the answer to the
question “does my dog have the flu” is yes, then there are ways to support your dog
and keep them comfortable. The majority of treatments used in severe cases are
supportive. They may include IV fluids, oxygen, antibiotics, breathing treatments,
and mucolytics (a class of medications which help break down mucus to make it
easier to expel it from the lungs).

Q: So do dogs need a flu shot?

While vaccines are available for canine influenza, vaccination would only be
recommended for dogs at high risk for infection. It is important to note, vaccination
can only reduce the risk of a dog contracting canine influenza, it may not prevent
infection. However, the flu shot can potentially reduce the severity and duration of
the flu. It’s best to talk over your concerns with your vet.

Q: Anything else we need to know?

One last, but very important reminder – people can’t get dog flu, but they can
inadvertently spread it if they’ve touched a contaminated surface (or petted one).
That’s why animal hospitals follow strict guidelines for cleaning and disinfection. We
take extra precautions when seeing pets that are exhibiting respiratory symptoms.
If you suspect your pet has the flu or has been exposed to it, or they’re having
respiratory symptoms, call us first. You may receive special instructions for bringing
your dog into the office. These restrictions are in place to reduce the risk of exposing
other animals in the waiting room to something that could be contagious.

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