rhinopneumonitis

noun

rhi·​no·​pneu·​mo·​ni·​tis ˌrī-nō-ˌn(y)ü-mə-ˈnīt-əs 

: an acute febrile respiratory disease of horses that is caused by two herpesviruses of the genus Varicellovirus (species Equid herpesvirus 1 and Equid herpesvirus 4), that is characterized especially by rhinopharyngitis and tracheobronchitis, and that sometimes causes abortion in pregnant mares