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http://news.bbc.co.uk/1/hi/uk/7008788.stm ....
and

"Bluetongue has been observed in Australia, the USA, Africa, the Middle East, Asia and Europe. Its occurrence is seasonal in the affected Mediterranean countries, subsiding when temperatures drop. It has been spreading northward since October 1998, perhaps as a result of global warming.[2] In August 2006, cases of bluetongue were found in the Netherlands, then Belgium, Germany, and Luxembourg.[3][4] In September 2007, the UK reported its first ever suspected case of the disease, in a Highland cow on a rare breeds farm near Ipswich, Suffolk. [5]

Although the disease is not a threat to humans the most vulnerable common breeds in the UK are cattle, goats and sheep." in wikipedia..
they are quick!