It has an uncertain role in respiratory disease in horses, but EHV-2 has been isolated from cases exhibiting symptoms such as coughing, conjunctivitis, and swollen submaxillary and parotid lymph nodes.
There is ambiguity regarding its function in equine respiratory illnesses, yet EHV-2 has been detected in instances characterized by signs such as coughing, conjunctivitis, and enlarged submandibular and parotid lymph nodes.