Monitoring the spread of bluetongue in northern Europe.
D000818:Animals; D001819:Bluetongue / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission*; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission; D002519:Ceratopogonidae / Q000821:virology*; D004196:Disease Outbreaks / Q000662:veterinary*; D005060:Europe / Q000453:epidemiology; D007300:Insect Control; D007303:Insect Vectors / Q000821:virology*; D018571:Sentinel Surveillance / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission