The canine H3N8 virus, also called Canine Influenza Virus (CIV), is a relatively new influenza virus in dogs. It causes flu-like symptoms in dogs: coughing, sneezing, and runny nose are the most common clinical signs. Learn more about CIV infection.
This virus jumped from horses to dogs in 2004; it was first discovered in Greyhounds in Florida. A vaccine for this respiratory disease was conditionally approved by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) in June 2009.
CIV Transmission
The H3N8 dog flu is a community-based disease. It is highly contagious between dogs and may also be transmitted by our hands, clothing, bowls and tools used between dogs. Please note: this virus is not spread TO people. It is important to isolate sick dogs and use proper sanitation (wash hands, disinfect tools and surfaces) between dogs to reduce chance of transmitting the virus between dogs.
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