Dog febrile disease, also known as canine distemper, is a systemic and highly contagious infectious disease caused by canine distemper virus. Its main symptoms involve multiple systems, including the respiratory system, digestive system, and nervous system.

In the early stages of viral infection, dogs may experience an increase in body temperature, usually reaching 39.5 to 42 degrees Celsius, accompanied by There are symptoms such as loss of appetite, depression, watery discharge from the eyes and nose, sneezing, and diarrhea.