COVID-19 Vaccination Uptake Among Individuals With Immune-mediated Inflammatory Diseases in Ontario, Canada, Between December 2020 and October 2021: A Population-based Analysis

1J. Widdifield, PhD, Assistant Professor, Institute of Health Policy, Management & Evaluation, University of Toronto, Sunnybrook Research Institute, Holland Bone & Joint Program, Toronto, and ICES, Toronto, Ontario;

2L. Eder, MD, PhD, Associate Professor, University of Toronto, and Women’s College Research Institute, Women’s College Hospital, Toronto, Ontario;

3S. Chen, MPH, ICES, Toronto, Ontario;

4J.C. Kwong, MD, MSc, FRCPC, Professor, Department of Family and Community Medicine, Faculty of Medicine, and Dalla Lana School of Public Health, University of Toronto, ICES, Toronto, and Public Health Ontario, Toronto, Ontario;

5C. Hitchon, MD, MSc, Associate Professor, Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba;

6D. Lacaille, MD, MHSc, FRCPC, Professor, J.A. Aviña-Zubieta, MD, PhD, FRCPC, Associate Professor, Division of Rheumatology, Department of Medicine, University of British Columbia, and Arthritis Research Canada, Vancouver, British Columbia;

6D. Lacaille, MD, MHSc, FRCPC, Professor, J.A. Aviña-Zubieta, MD, PhD, FRCPC, Associate Professor, Division of Rheumatology, Department of Medicine, University of British Columbia, and Arthritis Research Canada, Vancouver, British Columbia;

7L.W. Svenson, PhD, Analytics and Performance Reporting Branch, Alberta Health, Edmonton, Division of Preventive Medicine, University of Alberta, Edmonton, School of Public Health, University of Alberta, Edmonton, and Department of Community Health Sciences, University of Calgary, Calgary, Alberta;

8S. Bernatsky, MD, FRCPC, PhD, Professor, Divisions of Rheumatology and Clinical Epidemiology, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada.