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You may have heard about the recent outbreak of a new type of “dog flu” affecting pets across the country. This highly contagious and, for some dogs, potentially serious respiratory infection is caused by canine influenza virus H3N2, or CIV H3N2 for short.

Chances are, if your dog is exposed to CIV H3N2, he or she may become infected.

Dogs that are frequently in contact with other dogs may be at high risk of infection with CIV H3N2.

This includes dogs that: 

  • are boarded
  • are enrolled in day care, or 
  • often visit the local dog park. 

If you have a puppy, elderly or pregnant dog or a dog that is immunocompromised, you should take extra precautions.

The good news is that PVH now has a vaccine available to help control disease associated with CIV H3N2.

We also have a vaccine, Vanguard® CIV, that has been available for several years for another type of canine influenza, CIV H3N8, which is capable of causing severe respiratory disease in dogs as well. 

Vaccination against both types of CIV (H3N2 and H3N8) helps to ensure maximum protection.

Please call us at 360-568-3113 to discuss your dog’s risk for CIV (H3N2 and H3N8).

This is particularly important if you plan to board your dog in the near future or regularly send him or her to a grooming or day care facility. 

We’ll answer your questions about dog flu and help you to decide whether vaccination is right for your pet. You can also visit dogflufacts.com for more information.

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Pilchuck Veterinary Hospital


11308 92nd St SE Snohomish, WA 98290


24 HOUR EMERGENCY SERVICES Small Animal Reception Monday - Thursday: 8 AM to 7 PM Friday - Saturday: 8 AM to 5 PM Sunday: Emergency Only Equine/Large Animal Reception Monday - Friday: 8 AM to 5 PM Saturday: 8 AM to 12 PM Equine Reproduction Center Monday - Friday: 8 AM to 5 PM Saturday: 8 AM to 12 PM Integrative Medicine Tuesday - Friday: 9 AM to 6 PM Saturday: 9 AM to 4 PM