The re-emergence of bluetongue.
D000818:Animals; D001819:Bluetongue / Q000453:epidemiology* / Q000821:virology; D001820:Bluetongue virus / Q000254:growth & development*; D002519:Ceratopogonidae / Q000254:growth & development* / Q000821:virology; D004196:Disease Outbreaks / Q000662:veterinary*; D007303:Insect Vectors / Q000254:growth & development* / Q000821:virology; D019083:Mediterranean Region / Q000453:epidemiology; D012756:Sheep