Equine Infectious Anemia in California
As of July 2026, California has 1 Equine Infectious Anemia alert in the past 30 days (6 confirmed cases).
Risk Level
🟠 Elevated
Multiple cases — enhanced biosecurity recommended
Cases (30 days)
6
Total Cases
99
Counties Affected
9
Most recent Equine Infectious Anemia alert in California: Jun 29, 2026
Equine Infectious Anemia Alerts in California
Santa Clara, California
Jun 29, 2026 · official quarantine
6
confirmed
Stanislaus, California
Jun 19, 2026 · active
16
confirmed
Fresno, California
Jun 1, 2026 · official quarantine
1
confirmed
San Bernardino, California
May 8, 2026 · official quarantine
6
confirmed
Riverside, California
May 8, 2026 · official quarantine
2
confirmed
San Joaquin, California
May 1, 2026 · official quarantine
1
confirmed
San Bernardino, California
May 1, 2026 · official quarantine
1
confirmed
Santa Clara, California
Apr 28, 2026 · official quarantine
1
confirmed
San Bernardino, California
Apr 27, 2026 · official quarantine
1
confirmed
Santa Clara, California
Apr 27, 2026 · official quarantine
Santa Clara, California
Apr 21, 2026 · official quarantine
1
confirmed
Riverside, California
Apr 20, 2026 · official quarantine
1
confirmed
San Joaquin, California
Apr 10, 2026 · official quarantine
1
confirmed
Fresno, California
Apr 10, 2026 · official quarantine
1
confirmed
Stanislaus, California
Apr 7, 2026 · active
15
confirmed
Stanislaus, California
Mar 20, 2026 · official quarantine
2
confirmed
Merced, California
Mar 20, 2026 · official quarantine
1
confirmed
Riverside, California
Feb 24, 2026 · official quarantine
1
confirmed
Merced, California
Jan 20, 2026 · official quarantine
1
confirmed
Riverside, California
Nov 18, 2025 · resolved
1
confirmed
Riverside, California
Aug 26, 2025 · resolved
1
confirmed
Madera, California
Jul 3, 2025 · resolved
1
confirmed
San Bernardino, California
Jun 25, 2025 · resolved
1
confirmed
San Joaquin, California
Jun 2, 2025 · resolved
2
confirmed
Madera, California
Apr 25, 2025 · resolved
1
confirmed
Showing the 25 most recent of 35 total alerts.
About Equine Infectious Anemia
Viral disease transmitted by blood-feeding insects
Full Equine Infectious Anemia guide →Get alerted about Equine Infectious Anemia in California
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