| prevalence of bluetongue virus infection and associated risk factors among cattle in north kordufan state, western sudan. | bluetongue virus causes febrile disease in sheep and a fatal hemorrhagic infection in north american white-tailed deer. however, in cattle the disease is typically asymptomatic and no clinical overt disease is associated with bluetongue infection. bluetongue virus activity has been detected in khartoum, sennar and south darfur states of the sudan. currently, no information is available in regard to previous exposure of livestock to bluetongue virus in north kordufan state, the largest livestock ... | 2014 | 24762138 |