Equine Herpesvirus-1 (EHV-1) in Wisconsin
As of September 2026, Wisconsin has 1 Equine Herpesvirus-1 (EHV-1) alert in the past 30 days (1 confirmed case).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
1
Total Cases
9
Counties Affected
8
Most recent Equine Herpesvirus-1 (EHV-1) alert in Wisconsin: Sep 10, 2026
Equine Herpesvirus-1 (EHV-1) Alerts in Wisconsin
Green Lake, Wisconsin
Sep 10, 2026 · voluntary quarantine
1
confirmed
Calumet, Wisconsin
Aug 26, 2026 · voluntary quarantine
1
confirmed
Adams, Wisconsin
May 29, 2026 · voluntary quarantine
1
confirmed
Polk, Wisconsin
May 28, 2026 · voluntary quarantine
1
confirmed
Manitowoc, Wisconsin
Feb 10, 2026 · voluntary quarantine
1
confirmed
Waupaca, Wisconsin
Oct 17, 2025 · voluntary quarantine
1
confirmed
Dane, Wisconsin
Feb 27, 2025 · active
1
confirmed
Wood, Wisconsin
Feb 27, 2025 · active
2
confirmed
About Equine Herpesvirus-1 (EHV-1)
Highly contagious virus causing respiratory disease, abortion, and neurological disease
Full Equine Herpesvirus-1 (EHV-1) guide →Get alerted about Equine Herpesvirus-1 (EHV-1) in Wisconsin
We'll email you whenever a new equine disease outbreak is reported in Wisconsin. Unsubscribe anytime.