Strangles in Ontario
As of November 2026, Ontario has 3 Strangles alerts in the past 30 days (3 confirmed cases).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
3
Total Cases
81
Counties Affected
30
Most recent Strangles alert in Ontario: Oct 28, 2026
Strangles Alerts in Ontario
Wellington, Ontario
Oct 28, 2026 · voluntary quarantine
1
confirmed
Brant, Ontario
Oct 28, 2026 · voluntary quarantine
1
confirmed
District of Algoma, Ontario
Oct 28, 2026 · voluntary quarantine
1
confirmed
Grey, Ontario
Aug 31, 2026 · voluntary quarantine
1
confirmed
District of Temiskaming, Ontario
Jun 24, 2026 · voluntary quarantine
3
confirmed
Grey, Ontario
May 12, 2026 · voluntary quarantine
1
confirmed
Simcoe, Ontario
Apr 23, 2026 · voluntary quarantine
1
confirmed
Wellington, Ontario
Mar 19, 2026 · voluntary quarantine
1
confirmed
District of Cochrane, Ontario
Feb 17, 2026 · voluntary quarantine
1
confirmed
Essex, Ontario
Feb 13, 2026 · voluntary quarantine
1
confirmed
Regional Municipality of Niagara, Ontario
Feb 9, 2026 · voluntary quarantine
1
confirmed
Dufferin, Ontario
Feb 3, 2026 · voluntary quarantine
1
confirmed
Dundas and Glengarry, Ontario
Feb 3, 2026 · voluntary quarantine
1
confirmed
Elgin, Ontario
Jan 7, 2026 · voluntary quarantine
1
confirmed
Grey, Ontario
Jan 7, 2026 · voluntary quarantine
1
confirmed
Elgin, Ontario
Jan 7, 2026 · voluntary quarantine
1
confirmed
Regional Municipality of Durham, Ontario
Jan 7, 2026 · voluntary quarantine
1
confirmed
Middlesex, Ontario
Jan 3, 2026 · voluntary quarantine
7
confirmed
Grey, Ontario
Dec 18, 2025 · voluntary quarantine
1
confirmed
Grey, Ontario
Dec 16, 2025 · voluntary quarantine
1
confirmed
Regional Municipality of Waterloo, Ontario
Dec 15, 2025 · voluntary quarantine
2
confirmed
District of Temiskaming, Ontario
Dec 15, 2025 · voluntary quarantine
3
confirmed
District of Sudbury, Ontario
Dec 15, 2025 · voluntary quarantine
1
confirmed
Middlesex, Ontario
Dec 10, 2025 · voluntary quarantine
3
confirmed
Wellington, Ontario
Nov 21, 2025 · voluntary quarantine
1
confirmed
Showing the 25 most recent of 61 total alerts.
About Strangles
Highly contagious bacterial infection of the upper respiratory tract
Full Strangles guide →Get alerted about Strangles in Ontario
We'll email you whenever a new equine disease outbreak is reported in Ontario. Unsubscribe anytime.