Two cases of type A influenza in dogs have been confirmed in Knox County, Tennessee. Health officials say the University of Tennessee College of Veterinary Medicine is working to determine if the strain is H3N2 influenza, which has been confirmed in dogs in the southeast Officials traced the start of the new outbreak to dog shows in Georgia or Florida. The H3N2 canine virus appeared in South Korea 10 years ago as an avian flu strain that later adapted to dogs. The disease is considered highly contagious. When H3N2 appeared in the U.S. in 2015, over 1,000 dogs in Chicago got the virus. Symptoms of H3N2 Influenza usually include coughing, sneezing, producing nasal discharge and fever. However, death from H3N2 is rare.