Confirmed Case(s) – Official Quarantine
Source: California Department of Food and Agriculture
Number Confirmed: 2
Number Exposed: 600
Age: 12
Gender: Mare
Breed: Argentinian Polo Horse
Usage: Polo
Onset of Clinical Signs: 3/19/2023
Clinical Signs: mild neurologic
Confirmation Date: 3/21/2023
Horse Status: Affected And Alive
Comments: A 12-year-old Argentinian polo horse mare displaying mild neurological signs has been confirmed positive for EHM secondary to EHV-1 (non-neuropathogenic strain). The mare was immediately isolated at the onset of clinical signs and is currently alive and under veterinary supervision. Out of an abundance of caution following the confirmation of ongoing viral presence on the premises, the entire facility with 600 horses onsite, previously under voluntary quarantine, has been placed under mandatory quarantine with twice daily temperature monitoring and enhanced biosecurity measures in place. All polo activities in the surrounding area remain voluntarily postponed until further notice. CDFA was onsite, and will continue to closely and actively monitor the situation.
Previous Alert
See past published Outbreak Alerts: https://www.nwhorsesource.com/category/news/alerts
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