Clinical signs develop 3-5 days after exposure. Signs are often mild and self limiting. Afected dogs usually have a dry hacking cough, and sometimes serous nasal discharge, fever and lymphadenopathy. | Clinical signs develop 3-5 days after exposure. Signs are often mild and self limiting. Afected dogs usually have a dry hacking cough, and sometimes serous nasal discharge, fever and lymphadenopathy. |