Kennel cough, the common name for canine tracheobronchitis, is an extremely contagious respiratory disease among dogs. The disease also referred to as tracheobronchitis and Bordetella, is typified by inflammation of the trachea and bronchi.
Puppies, because of their underdeveloped immune system, can suffer severe complications from kennel cough. Older dogs and pregnant bitches to are at higher risk due to decreased immunity to infections.