Article by Merck Animal Health
The 2025 EHV-1 outbreak in Texas exposed event-wide risks of inadequate biosecurity. As horse travel and events ramp up again in 2026, equine health experts are urging owners and organizers to apply lessons learned last year.
With collaboration between owners, event organizers and veterinarians, outbreaks can be avoided.
Source: Paulick Report, March 13, 2026. Link. Proper disease management begins with understanding what’s infecting horses. The Merck Animal Health Equine Respiratory Biosurveillance Program has tracked respiratory pathogens across the United States for 18 years and gives veterinarians and horse owners a clearer picture of what’s circulating and when.
Biosecurity gaps, early fever detection, and new technologies could help prevent future equine disease outbreaks and event shutdowns.”
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