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→Surveillance
===Surveillance===
===Surveillance===
Surveillance is a key component to controlling the spread of bluetongue. As well as vigilance in the face of a bluetongue outbreak to determine the extent of disease spread, ongoing surveillance is required to limit the possibility of BTV entering areas where the virus is not already circulating. The UK currently achieves ongoing surveillance through two mechanisms<sup></sup>. Firstly, bluetongue is a notifiable disease, and so it is a legal requirement for livestock holders to report all new cases of bluetongue on their premises. This allows new midge-transmission from the continent and any re-emergence of disease to be reassessed. Secondly, every susceptible animal imported from Continental Europe, where bluetongue is currently circulating, is post-import tested for all serotypes of bluetongue virus. This ensures we are not introducing infected animals to the country.
===Controlling Spread of Bluetongue in Europe===
===Controlling Spread of Bluetongue in Europe===