With the recent outbreak of Equine herpesvirus 1 (EHV-1) at the Horse Shows in the Sun show in Ocala, Florida, the fear of your horse contracting this (or other) contagious diseases while at shows is justifiable. In addition to staying up to date on the most recent quarantine information, there are many measures you can take to lessen the chance of your horse contracting a contagious disease while away at a show. Your Horse Before you make the decision to attend a show, be sure that your horse is in good health and current on all of his vaccinations