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Original Articles

Characteristics and outcomes of hospital admissions for COVID-19 and influenza in the Toronto area

Amol A. Verma, Tejasvi Hora, Hae Young Jung, Michael Fralick, Sarah L. Malecki, Lauren Lapointe-Shaw, Adina Weinerman, Terence Tang, Janice L. Kwan, Jessica J. Liu, Shail Rawal, Timothy C.Y. Chan, Angela M. Cheung, Laura C. Rosella, Marzyeh Ghassemi, Margaret Herridge, Muhammad Mamdani and Fahad Razak
CMAJ February 10, 2021 cmaj.202795; DOI: https://doi.org/10.1503/cmaj.202795
Amol A. Verma
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Tejasvi Hora
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Hae Young Jung
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Michael Fralick
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Sarah L. Malecki
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Lauren Lapointe-Shaw
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Adina Weinerman
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Terence Tang
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Janice L. Kwan
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Jessica J. Liu
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Shail Rawal
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Timothy C.Y. Chan
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Angela M. Cheung
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Laura C. Rosella
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Marzyeh Ghassemi
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Margaret Herridge
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Muhammad Mamdani
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Fahad Razak
Li Ka Shing Knowledge Institute (Verma, Hora, Jung, Chan, Mamdani, Razak), St. Michael’s Hospital, Unity Health Toronto; Department of Medicine (Verma, Fralick, Malecki, Lapointe-Shaw, Weinerman, Tang, Kwan, Liu, Rawal, Cheung, Herridge, Mamdani, Razak), and Institute of Health Policy, Management and Evaluation (Verma, Cheung, Mamdani, Razak), University of Toronto, Toronto, Ont.; Department of Geography and Environmental Management (Hora), University of Waterloo, Waterloo, Ont.; Department of Medicine (Fralick, Kwan), Sinai Health System; Department of Medicine (Lapointe-Shaw, Liu, Rawal, Cheung, Herridge) and Toronto General Hospital Research Institute (Lapointe-Shaw), University Health Network; Women’s Institute for Health System Solutions and Virtual Care (Lapointe-Shaw), Women’s College Hospital; ICES Central (Lapointe-Shaw, Rosella); Department of Medicine (Weinerman), Sunnybrook Health Sciences Centre; Institute for Better Health (Tang, Rosella), Trillium Health Partners, Mississauga, Ont.; Department of Mechanical and Industrial Engineering (Chan), University of Toronto; Joint Department of Medical Imaging (Cheung), University Health Network; Division of Epidemiology (Cheung, Rosella), Dalla Lana School of Public Health; Vector Institute (Rosella, Ghassemi); Department of Computer Science (Ghassemi) and Leslie Dan Faculty of Pharmacy (Mamdani), University of Toronto, Ont.
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Canadian Medical Association Journal: 193 (9)
CMAJ
Vol. 193, Issue 9
1 Mar 2021
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Characteristics and outcomes of hospital admissions for COVID-19 and influenza in the Toronto area
Amol A. Verma, Tejasvi Hora, Hae Young Jung, Michael Fralick, Sarah L. Malecki, Lauren Lapointe-Shaw, Adina Weinerman, Terence Tang, Janice L. Kwan, Jessica J. Liu, Shail Rawal, Timothy C.Y. Chan, Angela M. Cheung, Laura C. Rosella, Marzyeh Ghassemi, Margaret Herridge, Muhammad Mamdani, Fahad Razak
CMAJ Feb 2021, cmaj.202795; DOI: 10.1503/cmaj.202795

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Characteristics and outcomes of hospital admissions for COVID-19 and influenza in the Toronto area
Amol A. Verma, Tejasvi Hora, Hae Young Jung, Michael Fralick, Sarah L. Malecki, Lauren Lapointe-Shaw, Adina Weinerman, Terence Tang, Janice L. Kwan, Jessica J. Liu, Shail Rawal, Timothy C.Y. Chan, Angela M. Cheung, Laura C. Rosella, Marzyeh Ghassemi, Margaret Herridge, Muhammad Mamdani, Fahad Razak
CMAJ Feb 2021, cmaj.202795; DOI: 10.1503/cmaj.202795
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