title: Bluetongue virus transmission with Culicoides variipennis via embryonating chicken eggs.
mesh_terms: D000818:Animals; D001819:Bluetongue / Q000382:microbiology*; D002519:Ceratopogonidae; D002642:Chick Embryo; D004463:Ecology; D005247:Feeding Behavior; D007303:Insect Vectors; D012087:Reoviridae; D012756:Sheep