Arizona
Equine Disease Alerts
Risk Assessment
Risk Level
🟡 Moderate
Isolated cases - monitor the situation
Cases (30 days)
1
Total Cases
24
Total Alerts
23
Neighboring States
Track a specific disease in Arizona
Detailed activity, alerts, and risk for each disease reported here.
Disease Activity in Arizona
Weekly case intensity by disease - Hover for details
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
VS
16
EHV-1
4
EHV-1 Neuro
3
WNV
1
Feb
Mar
Apr
May
Jun
Jul
VS
EHV-1
EHV-1 Neuro
WNV
LessMore
💡
Vesicular Stomatitis shows peak activity in fall (Oct-Dec) with 69% of cases occurring during this period.
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Equine Health Resources
Official contacts and requirements for Arizona
🩺State Veterinarian
🚨Report a Disease
📋Coggins Requirements
Coggins test required within 12 months for equines entering Arizona. Required for all sales, exhibitions, and public assemblies.
🔗Additional Resources
Arizona Department of Agriculture
Visit Website →Arizona Quarter Horse Association
Visit Website →Get free outbreak alerts for Arizona
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Recent Alerts in Arizona
West Nile Virusactive
Maricopa
Private Facility
1 cases
Jul 15, 2026
Vesicular Stomatitisofficial quarantine
Yavapai
0 cases
Apr 7, 2026
Equine Herpesvirus-1 (EHV-1)official quarantine
Maricopa
Private Facility
1 cases
Mar 8, 2026
Vesicular Stomatitisofficial quarantine
Yavapai
0 cases
Mar 4, 2026
Vesicular Stomatitisofficial quarantine
Yavapai
0 cases
Feb 26, 2026
Vesicular Stomatitisresolved
Yavapai
4 cases
Feb 25, 2026
Vesicular Stomatitisofficial quarantine
Maricopa
0 cases
Feb 19, 2026
Equine Herpesvirus-1 Neurologicofficial quarantine
Pinal
Private Facility
2 cases
Jan 30, 2026
Vesicular Stomatitisofficial quarantine
Maricopa
0 cases
Jan 27, 2026
Vesicular Stomatitisofficial quarantine
Pinal
0 cases
Jan 9, 2026
Vesicular Stomatitisresolved
Pinal
1 cases
Jan 8, 2026
Vesicular Stomatitisofficial quarantine
Maricopa
0 cases
Jan 5, 2026
Vesicular Stomatitisofficial quarantine
Santa Cruz
0 cases
Dec 30, 2025
Vesicular Stomatitisofficial quarantine
Maricopa
0 cases
Dec 11, 2025
Vesicular Stomatitisresolved
Maricopa
4 cases
Dec 9, 2025
Equine Herpesvirus-1 Neurologicofficial quarantine
Pinal
Private Facility
1 cases
Nov 30, 2025
Vesicular Stomatitisofficial quarantine
Santa Cruz
0 cases
Nov 26, 2025
Vesicular Stomatitisresolved
Santa Cruz
2 cases
Nov 25, 2025
Vesicular Stomatitisofficial quarantine
Gila
1 cases
Nov 24, 2025
Vesicular Stomatitisresolved
Gila
2 cases
Nov 24, 2025
Equine Herpesvirus-1 (EHV-1)official quarantine
Maricopa
Private Facility
1 cases
Nov 22, 2025
Equine Herpesvirus-1 (EHV-1)official quarantine
Maricopa
Private Facility
2 cases
Nov 22, 2025
Vesicular Stomatitisresolved
Cochise
2 cases
Oct 31, 2025