Strangles (Streptococcus equi) has been confirmed in Elgin County, Ontario. A mare developed an abscessed, draining lymph node that was confirmed positive for S. equi on December 31, 2025. The horse is recovering.
The farm owner, working with their veterinarian, has instituted voluntary animal movement restrictions and biosecurity protocols. To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal.