Colorado

Equine Disease Alerts

Risk Assessment

Risk Level
🟢 Low
No recent cases in the past 30 days
Cases (30 days)
0
Total Cases
32
Total Alerts
25

Disease Activity in Colorado

Weekly case intensity by disease - Hover for details

Oct
Nov
Dec
Jan
Feb
Mar
EIA
WNV
EHV-1 Neuro
Less
More
💡

Equine Infectious Anemia shows peak activity in winter/early spring (Jan-Mar) with 79% of cases occurring during this period.

Loading map...

Equine Health Resources

Official contacts and requirements for Colorado

🩺State Veterinarian

🚨Report a Disease

To report suspected equine diseases:

303-869-9130

Reportable Diseases Info →

📋Coggins Requirements

Coggins test required within 12 months for equines entering Colorado. Required for all sales, public events, and change of ownership.

View Import Requirements →

🔗Additional Resources

Colorado Department of Agriculture

Visit Website →

Colorado Horse Council

Visit Website →

Interstate Livestock

Find import requirements for all 50 states

Visit Website →

Recent Alerts in Colorado

Equine Infectious Anemiaofficial quarantine

Weld

Private Facility

1 cases
Feb 19, 2026
Equine Infectious Anemiaofficial quarantine

Weld

Training Facility

4 cases
Feb 3, 2026
Equine Infectious Anemiaofficial quarantine

Adams

Training Facility

2 cases
Jan 12, 2026
Equine Infectious Anemiaofficial quarantine

Adams

Training Facility

4 cases
Jan 12, 2026
Equine Infectious Anemiaofficial quarantine

Adams

Training Facility

1 cases
Dec 31, 2025
Equine Herpesvirus-1 Neurologicofficial quarantine

Larimer

Private Facility

1 cases
Dec 23, 2025
Equine Herpesvirus-1 Neurologicofficial quarantine

Larimer

Private Facility

1 cases
Nov 21, 2025
Equine Herpesvirus-1 Neurologicofficial quarantine

Larimer

Private Facility

1 cases
Nov 20, 2025
West Nile Virusactive

Weld

Private Facility

1 cases
Oct 29, 2025
West Nile Virusactive

Mesa

Private Facility

1 cases
Sep 30, 2025
West Nile Virusactive

Weld

Private Facility

1 cases
Sep 12, 2025
West Nile Virusactive

Weld

Farm

1 cases
Aug 14, 2025
West Nile Virusactive

Montrose

Farm

1 cases
Aug 12, 2025
West Nile Virusactive

Las Animas

Farm

1 cases
Aug 5, 2025
West Nile Virusactive

Douglas

Private Facility

1 cases
Jul 3, 2025
Equine Infectious Anemiaofficial quarantine

Jefferson

Boarding Facility

1 cases
Apr 17, 2025
Equine Infectious Anemiaofficial quarantine

Douglas

Private Facility

1 cases
Apr 17, 2025
West Nile Virusactive

Prowers

Stable

1 cases
Oct 31, 2024
West Nile Virusactive

El Paso

Private Facility

1 cases
Oct 8, 2024
West Nile Virusactive

Douglas

Private Facility

1 cases
Sep 25, 2024
West Nile Virusactive

Douglas

Private Facility

1 cases
Sep 11, 2024
West Nile Virusactive

Weld

Private Facility

1 cases
Aug 30, 2024
West Nile Virusactive

Larimer

Private Facility

1 cases
Aug 22, 2024
West Nile Virusactive

Larimer

Private Facility

1 cases
Aug 22, 2024
West Nile Virusactive

Pueblo

1 cases
Aug 19, 2024