| Date Declared | Institution /Premises | Unit | Setting Type | Municipality | Type of Outbreak | Influenza or COVID-19 | Date Declared Over |
| 2025-12-08 | Leacock Care Centre - Jarlette Health Services | Facility Wide | LTCH | Orillia | Respiratory | COVID-19 | 1/13/2026 |
| 2025-12-25 | Leacock Care Centre - Jarlette Health Services | HA3/HA5 | LTCH | Orillia | Respiratory | Influenza A | 1/12/2026 |
| 2025-12-26 | Whispering Pines Retirement Residence - Chartwell | | Rhome | Barrie | Enteric | Not Applicable | |
| 2025-12-29 | Sundial Lakeview Retirement Residence | Facility Wide | Rhome | Orillia | Respiratory | Not Influenza/Not COVID-19 | |
| 2025-12-30 | Mulcaster Mews Retirement Home | Mulcaster Mews | Rhome | Barrie | Respiratory | Influenza A | |
| 2025-12-31 | Roberta Place - Jarlette Health Services | HA 2 | LTCH | Barrie | Respiratory | COVID-19 | 1/12/2026 |
| 2025-12-31 | Victoria Village Manor | Buckingham | LTCH | Barrie | Respiratory | Influenza A | 1/13/2026 |
| 2026-01-02 | Country Moments Retirement Home | Facility Wide | Rhome | Huntsville | Respiratory | COVID-19 | |
| 2026-01-02 | Granite Ridge Retirement Residence | Facility-Wide | Rhome | Gravenhurst | Respiratory | Not Influenza/Not COVID-19 | 1/13/2026 |
| 2026-01-02 | Mill Creek Care Centre | 3W | LTCH | Barrie | Respiratory | COVID-19 | |
| 2026-01-02 | Victoria House Retirement Home | Faciltiy Wide | Rhome | Orillia | Respiratory | COVID-19 | |
| 2026-01-04 | Bradford Valley Care Community - Sienna Senior Living | Cottage, Country and Simcoe House | LTCH | Bradford West Gwillimbury | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-01-05 | Villa Care Centre, The - Jarlette Health Services | Robin Home Area | LTCH | Midland | Respiratory | Influenza A | |
| 2026-01-06 | Atrium Retirement Residence | Facility Wide | Rhome | Orillia | Respiratory | Influenza A | |
| 2026-01-08 | Spencer House Care Community - Sienna Senior Living | Spruce Lane | LTCH | Orillia | Respiratory | COVID-19 & Respiratory | 1/13/2026 |
| 2026-01-09 | Alexander Muskoka Residence | Memory Care | Rhome | Gravenhurst | Respiratory | Influenza A | |
| 2026-01-09 | Child Care Centre | | Child Care Centre | Barrie | Enteric | Not Applicable | |
| 2026-01-09 | Good Samaritan Seniors Complex | South Unit | LTCH | New Tecumseth | Respiratory | Pending | |
| 2026-01-12 | Child Care Centre | | Child Care Centre | Collingwood | Respiratory | | |
| 2026-01-12 | Child Care Centre | | Child Care Centre | Gravenhurst | Enteric | Not Applicable | |
| 2026-01-12 | IOOF Seniors Homes - Odd Fellow and Rebekah Home | Georgian Way and Simcoe Lodge | LTCH | Barrie | Respiratory | Not Influenza/Not COVID-19 | |
| 2026-01-12 | Muskoka Shores Care Community - Sienna Senior Living | Pine and Silver (3rd floor) | LTCH | Gravenhurst | Respiratory | Pending | |
| 2026-01-13 | Child Care Centre | | Child Care Centre | Orillia | Respiratory | | |
| 2026-01-13 | Coleman Care Centre | East Home Area | LTCH | Barrie | Respiratory | | |
| 2026-01-13 | Oak Terrace - Southbridge Care Homes | Second Floor | LTCH | Orillia | Respiratory | COVID-19 | |
