Dog owners be advised: veterinarians and labs in Michigan have been ordered to notify the state if they suspect the dog flu or see a positive test for the disease. Three cases of the dog flu that hit the Midwest earlier this year have been confirmed in Michigan, including one in Macomb County and two in Kent County.The dog flu doesn’t sicken people. WJR’s Ken Rogulski talked to Jennifer Holton from the Michigan Department of Agriculture about how to know if your dog has it.