Flu isn't just for humans: What dog owners need to know

In New York City, flu hospitalizations have reached record highs. Meanwhile, veterinarians are urging pet owners to be aware of canine influenza, a distinct virus that can spread quickly among dogs. Gothamist tells in more detail.

New York City officials are reporting a sharp increase in flu cases, with hospitalizations reaching record levels.

Doctors strongly recommend that residents get vaccinated as soon as possible.

Flu doesn't only affect humans.

However, humans aren't the only ones susceptible to flu. Veterinarians warn that dog owners should be aware of the risk of canine influenza.

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This is a distinct virus. It infects domestic animals and can spread rapidly under certain conditions.

The canine flu situation in the US and New York

At least 45 cases of the H3N2 strain have been confirmed in the United States since the beginning of the year. This is the most common variant of canine influenza.

Cases have been reported in New Jersey, Connecticut and Vermont, among other states.

By mid-December, 1157 canine influenza tests had been conducted in New York State. As of December 13, none had returned positive results.

The H3N2 canine influenza virus was first identified in South Korea in 2007.

Since then, it has been found in dogs in Asia and North America, including the United States.

Can a person infect a dog?

Heart of Chelsea Veterinary Group Chief Medical Officer Dr Katya Lang stressed there was no link between human and canine flu.

"There's no connection between them. Human flu and canine flu are both called influenza. A person can't infect a dog, nor can a dog infect a person," Lang concluded.

She noted that there is currently no outbreak of canine flu in New York City.

Symptoms and latent course of the disease

According to Lang, symptoms of canine influenza can vary greatly. Some dogs show no symptoms at all, while others may experience coughing, nasal discharge, lethargy, and loss of appetite. In severe cases, pneumonia can develop.

"A dog can be infected, shed the virus, and infect other dogs, but still show no symptoms," the doctor explained. "That's the main difficulty."

Where is the virus spreading fastest?

Canine influenza is easily transmitted in places where animals congregate, such as shelters, dog boarding facilities, and daycare centers.

The risk is especially high in poorly ventilated areas.

Lang explained that while brachycephalic breeds such as pugs and French bulldogs are generally more prone to respiratory problems, no breed has a higher risk of contracting the flu specifically.

"This virus is considered highly contagious. During outbreaks, it spreads extremely quickly," she emphasized.

Vaccinations and recommendations for owners

Lang recommends vaccinating pets who frequently come into contact with other animals against canine influenza. This includes walks in parks, visits to grooming salons, and boarding facilities.

The vaccine does not always prevent infection, but it helps reduce the severity of symptoms.

"This is a very safe and effective vaccine," Lang emphasized.

What to do if you suspect your dog has the flu

The veterinarian advises owners not to come to the clinic unannounced if their pet is suspected of having the flu.

It's best to call your vet first to avoid putting other animals at risk.

"There's a test that's easy to do. We take a swab from the throat or eyes and send it to a lab, where they determine whether the dog has the flu," Lang concluded.