| Date Declared | Institution /Premises | Unit | Setting Type | Municipality | Type of Outbreak | Influenza or COVID-19 | Date Declared Over |
| 2026-01-23 | Woods Park Care Centre - Sienna Senior Living | | LTCH | Barrie | Respiratory | COVID-19 & Respiratory | |
| 2026-01-27 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | | |
| 2026-01-31 | Trillium Manor - County of Simcoe | Orillia Unit, Ramara Unit, Severn Unit, Oro-Medonte Unit | LTCH | Orillia | Enteric | Not Applicable | |
| 2026-02-05 | Stayner Care Centre - Jarlette Health Services | Tulip/Rose | LTCH | Clearview | Respiratory | Not Influenza/Not COVID-19 | 2/23/2026 |
| 2026-02-09 | Child Care Centre | | Child Care Centre | Penetanguishene | Respiratory | | 2/23/2026 |
| 2026-02-10 | Bay Haven Senior Care Community | Facility-wide | LTCH | Collingwood | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-02-10 | Leacock Retirement Lodge Ltd. - Jarlette Health Services | Facility Wide | Rhome | Orillia | Enteric | Not Applicable | |
| 2026-02-10 | Pines Long-Term Care Home, The | All | LTCH | Bracebridge | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-02-10 | Roberta Place - Jarlette Health Services | Home Area 4 & Home Area 5 | LTCH | Barrie | Respiratory | COVID-19 | |
| 2026-02-10 | Simcoe Manor | Essa, Adjala, Tosorontio | LTCH | New Tecumseth | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-02-12 | Hillcrest Village Care Centre | Hillcrest Building (Harbour, Bayview, Georgian, Dominion) | LTCH | Midland | Respiratory | Pending | |
| 2026-02-13 | Creedan Valley Care Community | Facility Wide | LTCH | Clearview | Enteric | Not Applicable | |
| 2026-02-14 | Leacock Care Centre - Jarlette Health Services | Facility Wide | LTCH | Orillia | Enteric | Not Applicable | |
| 2026-02-15 | Muskoka Traditions Retirement Residence - Chartwell | | Rhome | Huntsville | Enteric | Not Applicable | 2/24/2026 |
| 2026-02-16 | Orillia Soldiers' Memorial Hospital | Soldiers 1 - Medical | Hospital | Orillia | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-02-17 | Alexander Muskoka Residence | Independent - 1st Floor, Memory Care | Rhome | Gravenhurst | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-02-17 | Alexander Muskoka Residence | Independent Floor 2 and 3 and Memory Care | Rhome | Gravenhurst | Enteric | Not Applicable | |
| 2026-02-18 | Child Care Centre | | Child Care Centre | Barrie | Respiratory | | 2/23/2026 |
| 2026-02-18 | Child Care Centre | | Child Care Centre | Bradford West Gwillimbury | Enteric | Not Applicable | 2/24/2026 |
| 2026-02-19 | Child Care Centre | | Child Care Centre | Bracebridge | Respiratory | | |
| 2026-02-19 | Child Care Centre | | Child Care Centre | New Tecumseth | Enteric | Not Applicable | 2/24/2026 |
| 2026-02-19 | Child Care Centre | | Child Care Centre | Springwater | Enteric | Not Applicable | |
| 2026-02-22 | Georgian Bay My Life Retirement | Memory Care & Assisted Living | Rhome | Penetanguishene | Respiratory | Pending | |
| 2026-02-23 | Villa Care Centre, The - Jarlette Health Services | Blue Jay | LTCH | Midland | Respiratory | COVID-19 | |
| 2026-02-24 | Mill Creek Care Centre | 3 East | LTCH | Barrie | Enteric | Not Applicable | |