C. difficile Infections in Hospital Patients


This indicator measures new hospital-acquired cases of infection with C. difficile (Clostridium difficile), a bacterium that grows in the bowel. The rate of C. difficile infection is expressed as the number of C. difficile cases per 1,000 inpatient days (days hospital beds were occupied by patients) during the given reporting period. A lower rate and a lower number of cases are better.

Provincial ×

Jul 01-Sep 30, 2025

Rate of

0.20

new cases per 1,000 inpatient days

562

new cases


Learn why some data is not available.


Compare results across hospitals:


Hospital name Rate per 1,000 inpatient days
Ontario 0.20
Kemptville District Hospital 1.22
Geraldton District Hospital 0.95
Winchester District Memorial Hospital 0.88
Hamilton Health Sciences Corp-Juravinski 0.81
Four Counties Health Services Corporation 0.77
Strathroy Middlesex General Hospital 0.76
Windsor Regional Hospital-Metropolitan Campus 0.75
Haliburton Highlands Health Services Corporation - Haliburton 0.67
Joseph Brant Hospital 0.65
Renfrew Victoria Hospital 0.63
Huron Perth Healthcare Alliance : St. Marys Memorial Hospital 0.58
Seaforth Community Hospital 0.56
Campbellford Memorial Hospital 0.54
Hospital for Sick Children (The) 0.54
Hanover and District Hospital 0.48
Perth & Smiths Falls Dist-Smiths Falls Site 0.47
Thunder Bay Regional Hlth Sciences Ctr 0.46
London Hlth Sciences Ctr-Victoria Hosp 0.43
Peterborough Regional Health Centre 0.43
Health Sciences North-Laurentian 0.41
Hamilton Health Sciences Corporation - McMaster 0.36
Stratford General Hospital 0.35
Niagara Health System-Marotta Family Hosp 0.31
St. Mary's General Hospital 0.30
Hotel Dieu Shaver Health and Rehabilitation Centre 0.30
Sunnybrook Health Sciences Centre 0.29
St. Joseph's Health Care System-Hamilton 0.29
Kingston Health Sciences Centre-Kingston General 0.29
Windsor Regional Hospital - Ouellette Campus 0.27
Sault Area Hospital-Sault Ste. Marie 0.26
Royal Victoria Regional Health Centre 0.26
Cambridge Memorial Hospital 0.26
Halton Healthcare Services Corp-Oakville 0.24
Ross Memorial Hospital 0.24
London Hlth Sciences Ctr-University Hosp 0.23
Hamilton Health Sciences Corp-General 0.23
Hopital Montfort 0.22
Runnymede Healthcare Centre 0.21
Niagara Health System-Welland County 0.21
Mackenzie Health - Richmond Hill 0.21
Trillium Health Partners-Credit Valley 0.21
Timmins and District Hospital 0.20
Scarborough Health Network-Centenary Site 0.20
Halton Healthcare Services Corp-Milton 0.20
Scarborough Health Network-Birchmount Site 0.20
Brant Community Healthcare Sys-Brantford 0.19
MacKenzie Health - Mackenzie Cortellucci Vaughan Hospital 0.19
Oak Valley Health 0.19
St. Joseph's Continuing Care Centre Of Sudbury 0.18
Grand River Hospital Corp-Waterloo Site 0.18
Southlake Regional Health Centre 0.18
Ottawa Hospital (The)-General Site 0.18
Niagara Health System-Greater Niagara 0.17
Hamilton Health Sciences Corp-West Lincoln 0.17
Sioux Lookout Meno-Ya-Win Health Centre - Zone 0.17
Bruyere Continuing Care Inc. - Saint-Vincent Hospital 0.17
North York General Hospital 0.17
Muskoka Algonquin Healthcare-Bracebridge 0.16
Guelph General Hospital 0.16
Northumberland Hills Hospital 0.15
Tor. East Hlth Ntwrk-Michael Garron Hosp 0.15
North Bay Regional Health Centre 0.15
Hawkesbury and District General Hospital 0.14
St. Thomas-Elgin General Hospital 0.14
St. Joseph's Care Group - St. Joseph's Hospital 0.14
Cornwall Community Hospital 0.14
Sinai Health System-Mount Sinai Site 0.14
Hotel-Dieu Grace Healthcare - Dr. Fouad Tayfour Regional Rehab Centre 0.13
Orillia Soldiers' Memorial Hospital 0.12
Chatham-Kent Health Alliance-Chatham 0.12
Scarborough Health Network-Scar.Gen.Site 0.11
Brightshores Health System-Owen Sound Site 0.11
Hamilton Health Sciences Corporation - St. Peter's Hospital 0.10
William Osler Health System-Civic Site 0.09
Ottawa Hospital (The)-Civic Site 0.09
University Of Ottawa Heart Institute 0.08
Trillium Health Partners-Mississauga 0.07
Sunnybrook Health Sciences Centre - St. John's Rehab Hospital Site 0.07
Southlake Regional Health Centre - RCC Church 0.06
William Osler Health System-Etobicoke Site 0.05
Sinai Health System - Hennick Bridgepoint Hospital Site 0.05
St. Joseph's Health Care London - Parkwood Institute's Main Building 0.04
Humber River Health-Wilson Site 0.02
North Bay Regional Health Centre - Kirkwood Place 0.00
St. Joseph's Health Care London - Parkwood Institute's Mental Health Care Building 0.00
Bruyere Continuing Care – Greystone 0.00
St. Joseph's Health Care London - South West Centre for Forensic Mental Health Care - St. Thomas Site 0.00
St. Joseph's Health Care, London 0.00
Headwaters Health Care Centre - Dufferin 0.00
Holland Bloorview Kids Rehabilitation Hospital 0.00
Hopital Notre Dame Hospital (Hearst) 0.00
Humber River Health - Church Site 0.00
Lady Dunn Health Centre 0.00
The Lady Minto Hospital 0.00
Lake-of-the-Woods District Hospital 0.00
St. Joseph's Health Centre Guelph 0.00
Health Sciences North - Sudbury Mental Health and Addictions Centre 0.00
Listowel Memorial Hospital 0.00
Smooth Rock Falls Hospital 0.00
South Bruce Grey Health Centre-Chesley 0.00
South Bruce Grey Health Centre-Durham 0.00
South Bruce Grey Health Centre-Kincardine 0.00
South Bruce Grey Health Centre-Walkerton 0.00
St. Francis Memorial Hospital 0.00
Muskoka Algonquin Healthcare-Huntsville 0.00
Niagara Health System-Fort Erie Douglas Site 0.00
Sante Manitouwadge Health 0.00
Sunnybrook Health Sciences Centre - Holland Orthopaedic & Arthritic Centre 0.00
Oak Valley Health - Cottage Hospital Site 0.00
Mattawa General Hospital 0.00
Hotel-Dieu Grace Healthcare - Toldo Neurobehavioural Inst. 0.00
Hotel-Dieu Grace Healthcare - Dr. Y. Emara Centre 0.00
Wingham And District Hospital 0.00
St. Joseph's Health Care Hamilton - West 5th Campus 0.00
Mackenzie Health - RCC Church Org 0.00
WRHN-Chicopee 0.00
Providence Care Centre - Mental Health Services 0.00
Deep River And District Hospital 0.00
Dryden Regional Health Centre 0.00
Espanola General Hospital 0.00
The Red Lake Margaret Cochenour Memorial Hospital 0.00
West Parry Sound Health Centre 0.00
Royal Ottawa Health Care Group - Brockville Mental Health Centre 0.00
Royal Ottawa Health Care Group - Royal Ottawa Mental Health Centre 0.00
Halton Healthcare Services Corp-Georgetown 0.00
North York General Hospital - NYGH RCC 0.00
Salvation Army Toronto Grace Health Centre 0.00
Brightshores Health System-Southampton Site 0.00
Brightshores Health System-Wiarton Site 0.00
Brightshores Health System-Lions Head Site 0.00
Brightshores Health System-Markdale Site 0.00
Brightshores Health System-Meaford Site 0.00
Bruyere Continuing Care Inc. - Élisabeth Bruèyre Hospital 0.00
Niagara Health System-Port Colborne Site 0.00
Trillium Health Partners-Queensway Hlth 0.00
Alexandra Hospital 0.00
Anson General Hospital 0.00
Arnprior Regional Health 0.00
Atikokan General Hospital 0.00
Bingham Memorial Hospital 0.00
Ontario Shores Centre For Mental Health Sciences 0.00
Chatham-Kent Health Alliance-Wallaceburg 0.00
The Ottawa Hospital - The Rehab Centre 0.00
Centre for Addiction and Mental Health-Queen Street Site 0.00
Tillsonburg District Memorial Hospital 0.00
Pembroke Regional Hospital Inc. 0.00
Waypoint Centre For Mental Health Care - Oakridge 0.00
Waypoint Centre For Mental Health Care - Regional 0.00
Perth & Smiths Falls Dist-Perth Site 0.00
Clinton Public Hospital 0.00
Collingwood General and Marine Hospital NC
North Wellington Health Care - Palmerston NC
University Health Network - Hillcrest/University NC
University Health Network-Western Site NC
Carleton Place and District Memorial Hospital NC
Casey House NC
Children's Hospital Of Eastern Ontario NC
West Nipissing General Hospital NC
West Park Healthcare Centre NC
Weeneebayko Area Health Authority - Attawapiskat Site NC
Weeneebayko Area Health Authority - Fort Albany Site NC
Weeneebayko Area Health Authority - Moose Factory Site NC
West Haldimand General Hospital NC
North Shore Health Network - Blind River Site NC
Bluewater Health-Charlotte Eleanor Englehart (Petrolia) NC
Bluewater Health - Sarnia General Site NC
Baycrest Hospital (North York) NC
Alexandra Marine and General Hospital NC
Almonte General Hospital NC
North Wellington Health Care - Mount Forest NC
University Health Network-Princess Marg NC
University Health Network-General Site NC
University Health Network - Toronto Rehab Institute: Bickle Centre NC
University Health Network - Toronto Rehab Institute: Lyndhurst Site NC
Brockville General Hospital NC
Nipigon District Memorial Hospital NC
Norfolk General Hospital NC
Riverside Health Care Facilities Inc. - Emo Site NC
Riverside Health Care Facilities Inc. - La Verendrye NC
Riverside Health Care Facilities Inc. - Rainy River NC
Groves Memorial Community Hospital NC
Haldimand War Memorial Hospital NC
Woodstock Hospital NC
North Shore Health Network - Thessalon Site NC
Glengarry Memorial Hospital NC
Georgian Bay General Hosp-Midland Site NC
Unity Health Toronto - Providence NC
Queensway-Carleton Hospital NC
Quinte Health-Bancroft NC
Quinte Health-Belleville NC
Quinte Health-Picton NC
Quinte Health-Trenton NC
Blanche River Health - Englehart NC
Blanche River Health - Kirkland NC
Hotel Dieu Hospital - Cornwall (St. Joseph's Continuing Care Centre) NC
North of Superior Healthcare Group - Wilson Memorial General Hospital NC
North of Superior Healthcare Group - McCausland Hospital NC
Unity Health Toronto-St. Joseph's NC
Stevenson Memorial Hospital Alliston NC
Manitoulin Health Centre - Little Current NC
Manitoulin Health Centre - Mindemoya Unit NC
Temiskaming Hospital NC
Lakeridge Health-Port Perry Site NC
Lakeridge Health - Whitby Site NC
Erie Shores Healthcare NC
Lennox and Addington County Gen Hospital NC
South Huron Hospital NC
St. Joseph's General Hospital NC
Lakeridge Health-Bowmanville Site NC
Lakeridge Health-Oshawa Site NC
Sensenbrenner Hospital NC
Services De Sante De Chapleau Health Services NC
Hornepayne Community Hospital NC
Homewood Health Centre Inc. NC
Unity Health Toronto-St. Michael's NC
Lakeridge Health - Ajax Site NC
William Osler Health System-Peel Memorial NC


Rate of new hospital-acquired C. difficile infections per 1,000 inpatient days, in Ontario, 2023Q1 to 2025Q2
2023Q12023Q22023Q32023Q42024Q12024Q22024Q32024Q42025Q12025Q20.00.10.20.30.40.50.180.180.200.200.210.210.210.210.210.210.200.200.180.180.170.170.160.160.200.20Fiscal QuarterRate per 1,000 inpatient days
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20
Ontario
2023Q1 0.18
2023Q2 0.20
2023Q3 0.21
2023Q4 0.21
2024Q1 0.21
2024Q2 0.20
2024Q3 0.18
2024Q4 0.17
2025Q1 0.16
2025Q2 0.20

Q1: April-June, Q2: July-September, Q3: October-December, Q4: January-March
TECHNICAL INFORMATION

Data source: The Self-reporting Initiative (SRI), Health Analytics Branch, Ministry of Health. Individual hospitals report infections monthly. For more information, please visit the Indicator Library.

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Last Updated: May 29, 2026