Bordetella
Australian Shepard, by dregsplod
Recall that kennel cough is a condition with multiple pathogens involved. As we know, the primary viral contributor to kennel cough is parainfluenza, and the primary bacterial contributor is Bordetella bronschiseptica. The vaccine against Bordetella is often recommended for dogs that are at high risk of exposure, such as show dogs, sporting or hunting dogs, and those that are boarded.