Disease Alerts

Number Confirmed: 1; 
Number Exposed: 50; 

Horse 1: 
Age: 12; Gender: Gelding; Breed: Warmblood (WB); Clinical Signs: fever, ataxia; Confirmation Date: 11/12/2026; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Comments: A 12-year-old Warmblood gelding from San Diego County displaying neurologic signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1). The gelding is isolated on the home premises and is recovering. Fifty (50) potentially exposed horses at the home premises in San Diego County were quarantined with enhanced biosecurity measures implemented. The EHM horse has had no recent history of travel. Other horses from a different barn on the home premises were at an event, but out of an abundance of caution, they have left the event and are also under quarantine. CDFA has been onsite and will continue to actively monitor the situation.;

Number Confirmed: 1; 
Number Suspected: 4; 
Number Exposed: Unknown; 
Comments: Horse had attended an event at the Dunmore Equestrian Center where a number of other horses were. Other horses have clinical signs and have not been tested, or are awaiting test results;

Number Confirmed: 1; 
Number Suspected: 2; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 


Comments: Two horses requiring tracheostomies;

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 17; Gender: Mare; Breed: Paint; Usage: Pleasure Riding; Onset of Clinical Signs: 11/7/2026; Clinical Signs: Fever, nasal discharge, swollen submandibular lymph nodes; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Number Confirmed: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/26/2026; Clinical Signs: Fever, mild lethargy, moderate serous nasal discharge, occasional cough; Confirmation Date: 10/14/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 8; Gender: Gelding; Breed: Arabian; Onset of Clinical Signs: 9/28/2026; Clinical Signs: Fever, lethargy, mucoid nasal discharge; Confirmation Date: 10/3/2026; Horse Status: Recovered; Vaccination Status: Vaccinated;

Number Confirmed: 2; 
Number Exposed: Unknown; 

Horse 1: 
Age: 4; Gender: Stallion; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/24/2026; Clinical Signs: Fever, nasal discharge; Confirmation Date: 9/29/2026; Horse Status: Recovered; Vaccination Status: Status Unknown;

Horse 2: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/24/2026; Clinical Signs: Fever, nasal discharge; Confirmation Date: 9/29/2026; Horse Status: Recovered; Vaccination Status: Status Unknown;

Number Confirmed: 1; 
Number Suspected: 2; 
Number Exposed: 10; 
Facility Type: Private Facility; 
Comments: This is the 30th confirmed case of strangles for Florida in 2026.;

Number Confirmed: 1; 
Number Exposed: Unknown; 
Comments: This is the 5th confirmed case of WNV for Florida in 2026.;

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown;