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Epidemiology of Bluetongue virus serotype 8 outbreaks in the Netherlands in 2006. In August 2006 a major epidemic of Bluetongue (bt) occurred in north-western Europe, affecting the Netherlands, Belgium, Germany, Luxemburg, and the north of France. It was caused by bt virus serotype 8 (btv-8), a serotype previously unknown to the eu. Although clinical disease is usually restricted to sheep, this virus also caused clinical disease in a small proportion of cattle. The last clinical outbreak of bt in the Netherlands occurred mid-December 2006. The delay between observation of the first clinical signs by the owner and reporting of a clinically suspect bt situation to the veterinary authorities was approximately 2 weeks. btv-8-associated clinical signs were more prominent in sheep than in cattle, and the relative frequency of specifi c clinical signs was different in cattle and sheep. Morbidity and mortality rates were signifi cantly higher among sheep than among cattle, and a higher proportion of cattle than sheep recovered from clinical disease, Beschrijving van de grote bluetongue-epidemie bij rundvee en schapen in Noordwest-Europa van 2006. De epidemie werd veroorzaakt door het bluetongue-virusserotype 8 (BTV-8). Morbiditeit en mortaliteit waren aanzienlijk hoger op bedrijven met schapen dan op bedrijven met rundvee

On 26th of july 2007 a new case of bluetongue was notified in the Netherlands and on 2nd of august 2007 food and-mouth disease was diagnosed in Surrey, England, which raised the threat of having both infections simultaniously in one area. Bluetongue and foot-and-mouth disease have a different pathogenesis, but symptoms may resemble each other at a later stage of infection. The pathogenesis and possible clinical symptoms of both infections are discussed and illustrated with pictures., Op 26 juli 2007 werd opnieuw bluetongue in Nederland vastgesteld en op 2 augustus 2007 brak in Engeland MKZ uit en ontstond de dreiging van introductie in Nederland. Bluetongue en MKZ hebben een verschillende pathogenese, maar de symptomen kunnen in een later stadium op elkaar gaan lijken. De pathogenese en mogelijke klinische symptomen van beide ziekten worden besproken en aan de hand van foto’s toegelicht