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| | ====Description==== | | ====Description==== |
| − | Viral diseases affecting the central nervous system (CNS) of horses causing encephalitis or meningoencephalitis. | + | Viral diseases affecting the central nervous system (CNS) of horses causing encephalitis or meningoencephalitis. |
| | + | The following horse diseases are subject to the infectious Diseases of Horses Order 1987: west nile, EVE |
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| | ====Aetiology==== | | ====Aetiology==== |