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Canine Influenza

Canine influenza, aka the Dog Flu.

The dog flu is a highly contagious respiratory disease caused by the virus, canine influenza virus (CIV). CIV has two difference strains; CIV H3N8 and CIV H3N2. CIV H3N8 was first reported in greyhounds in 2003 and has spread to at least 43 states. CIV H3N2 has been discovered in the United States within the past year and has been confirmed in at least 31 states. Most unvaccinated dogs are susceptible to infection by both viruses. Neither virus is infectious to humans, but similar to the human virus, vaccine is the best form of protection. Unlike human influenza, the canine flu is not seasonal and dogs are at risk all year round.

Are certain dogs at greater risk for infection?

Any dog can be at risk for dog flu, regardless of age, sex or breed. However, certain activities can raise your dog's risk of infection. The dog flu is spread through direct contact (sniffing, licking, nuzzling), air (coughing and sneezing), via contaminated surfaces (bowels and toys) or through contaminated human contact (virus on hands or clothing). The more your dog socializes with other dogs, the greater the risk.

Clinical Signs of the dog flu

Coughing and retching


Nasal or ocular discharge

Decreased appetite



Protect your 4-legged friend today. The vaccine is available through our services and our staff would be more than happy to help educate you and your family about canine influenza.


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