Canine Influenza – What You Need to Know

Printable Handout Canine Influenza 10/2021 What is dog flu? Canine Influenza (CIV or dog flu) is a highly contagious, viral, respiratory disease of dogs.  There have been only 2 strains of canine influenza in the United States – H3N2 and H3N8.  The canine influenza virus has shown no tendency to mutate each year as does [...]