06/29/2026
2 CALIFORNIA EQUINE ALERTS FOR Y'ALL:
June 29, 2026: Six (6) Quarter Horses in Santa Clara County were confirmed positive for Equine infectious Anemia (EIA). A confirmed EIA positive equid must be euthanized or quarantined for life 200 yards away from any EIA negative equid as per USDA EIA program rules. Euthanasia was elected for these cases and was witnessed by CDFA veterinarians on June 26, 2026. Fifty (50) potentially exposed horses on the home premises have initially tested negative for EIA and will remain under quarantine until their sixty (60) day retest as per CDFA and USDA program requirements. CDFA has been on site with continued monitoring of the situation. Epidemiological tracing is ongoing, but these cases are linked to recent EIA cases in California
AND:
The first (1st) case of West Nile Virus in California in 2026 was confirmed in San Luis Obispo County. On June 5, 2026, a 12-year-old Quarter Horse in San Luis Obispo County with unknown vaccine history displaying neurologic signs was confirmed positive for West Nile Virus. The gelding is alive and recovering. To date for 2026, a total of one (1) horse has been confirmed positive for WNV in California. The positive horses were located in San Luis Obispo (1) County. One (1) horse had unknown vaccine history. One (1) horse is alive and recovering.
