| Date Declared | Institution /Premises | Unit | Setting Type | Municipality | Type of Outbreak | Influenza or COVID-19 | Date Declared Over |
| 2025-11-09 | Bradford Valley Care Community - Sienna Senior Living | Garden Unit | LTCH | Bradford West Gwillimbury | Respiratory | Not Influenza/Not COVID-19 | |
| 2025-11-17 | Child Care Centre | | Child Care Centre | New Tecumseth | Respiratory | | |
| 2025-11-17 | Child Care Centre | | Child Care Centre | New Tecumseth | Respiratory | Unknown | |
| 2025-11-18 | Child Care Centre | | Child Care Centre | Gravenhurst | Respiratory | | |
| 2025-11-19 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | | |
| 2025-11-20 | Bay Haven Senior Care Community | Facility-Wide | Rhome | Collingwood | Respiratory | COVID-19 | |
| 2025-11-20 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | Unknown | |
| 2025-11-20 | Child Care Centre | | Child Care Centre | Gravenhurst | Respiratory | | |
| 2025-11-20 | Child Care Centre | | Child Care Centre | Penetanguishene | Enteric | Not Applicable | |
| 2025-11-21 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | | |
| 2025-11-21 | Muskoka Algonquin Healthcare - South Muskoka Memorial Hospital | | Hospital | Bracebridge | Respiratory | COVID-19 | |
| 2025-11-21 | Muskoka Shores Care Community - Sienna Senior Living | Facility Wide | LTCH | Gravenhurst | Respiratory | Not Influenza/Not COVID-19 | |
| 2025-11-21 | Simcoe Terrace | Facility Wide | Rhome | Barrie | Respiratory | Influenza A | |
| 2025-11-22 | Castle Peak Retirement Residence | First floor | Rhome | Bracebridge | Respiratory | COVID-19 | |
| 2025-11-22 | Creedan Valley Care Community | Facility Wide | LTCH | Clearview | Respiratory | Pending | |
| 2025-11-22 | Good Samaritan Seniors Complex | Facility Wide | LTCH | New Tecumseth | Respiratory | Influenza A | |
| 2025-11-24 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | Unknown | |
| 2025-11-24 | Child Care Centre | | Child Care Centre | New Tecumseth | Respiratory | Unknown | |
| 2025-11-25 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | | |
| 2025-11-25 | Child Care Centre | | Child Care Centre | Bradford West Gwillimbury | Respiratory | | |
| 2025-11-26 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | Unknown | |
| 2025-11-27 | Child Care Centre | | Child Care Centre | New Tecumseth | Respiratory | Unknown | |
| 2025-11-28 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | Unknown | |
| 2025-11-28 | Child Care Centre | | Child Care Centre | Collingwood | Enteric | Not Applicable | |
Last Updated -
November 30, 2025
11:02:07 AM