CDC: About Dog Flu

CDC

Key points Signs and symptoms Canine influenza, also known as dog flu, is currently caused by an influenza A(H3N2) virus that spreads in dogs. Dog flu likely poses a low threat to people. Canine influenza A(H3N2) viruses are different from seasonal influenza A(H3N2) viruses that commonly spread among people. To date, there is no evidence […]