Infection with Ovine herpesvirus 2 in Norwegian herds with a history of previous outbreaks of malignant catarrhal fever.

The article describes the case of Ovine herpesvirus 2 (OvHV-2) infection in healthy cattle, swine, sheep and goats in Norwegian farms with a history of previous outbreaks of malignant catarrhal fever. A brief overview of malignant catarrhal fever is discussed. It explains the mode of transmission of OvHV-2 between small ruminants and susceptible cattle.