Cattle and Culicoides biting midges as possible overwintering hosts of bluetongue virus.
D000818:Animals; D001819:Bluetongue / Q000382:microbiology; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D002519:Ceratopogonidae; D007303:Insect Vectors; D012087:Reoviridae; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology*