title: Survival of orf virus under British winter conditions.
mesh_terms: D000818:Animals; D004474:Ecthyma, Contagious / Q000382:microbiology*; D008854:Microscopy, Electron; D009923:Orf virus / Q000502:physiology*; D011212:Poxviridae / Q000502:physiology*; D012621:Seasons; D012756:Sheep; D013696:Temperature; D014779:Virus Replication; D014887:Weather