Equine Infectious Anemia
San Bernardino County, CA
Alert ID: 4905
May 08, 2026
Confirmed Case(s) - Official Quarantine

California Department of Food and Agriculture

Number Confirmed: 6; 
Number Exposed: 7; 
Comments: Six (6) Quarter Horses in San Bernardino County were confirmed positive for Equine Infectious Anemia (EIA). Seven (7) potentially exposed horses on the home premises have initially tested negative for EIA and will remain under quarantine until the sixty (60) day retest as per CDFA and USDA program requirements. CDFA has been on site with continued monitoring of the situation. Epidemiological tracing determined that the positive horses were linked to the other most recent San Bernardino County EIA incident and the current Riverside County EIA incident.;