Equine Herpes Virus — Worldwide/Unknown
Horse shows have been called off in Illinois to stop the spread of infection after agriculture officials said 2 horses from a northeastern Illinois stable tested positive earlier in May 2015 for the equine herpesvirus.
Other horses at the same stable had signs of the contagious virus. Illinois State Veterinarian Mark Ernst said 2 horses were euthanized and a 3rd horse has shown neurological problems from the infection, the Chicago Tribune reported ().
The virus commonly known as EHV-1
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