Other epidemiology

Open Access
Household transmission of SARS-CoV-2 from unvaccinated asymptomatic and symptomatic household members with confirmed SARS-CoV-2 infection: an antibody-surveillance study
Maala Bhatt, Amy C. Plint, Ken Tang, Richard Malley, Anne Pham Huy, Candice McGahern, Jennifer Dawson, Martin Pelchat, Lauren Dawson, Terry Varshney, Corey Arnold, Yannick Galipeau, Michael Austin, Nisha Thampi, Fuad Alnaji, Marc-André Langlois and Roger L. Zemek

April 12, 2022 10 (2) E357-E366; DOI: https://doi.org/10.9778/cmajo.20220026
Open Access
People who make frequent emergency department visits based on persistence of frequent use in Ontario and Alberta: a retrospective cohort study
Jessica Moe, Elle (Yuequiao) Wang, Margaret J. McGregor, Michael J. Schull, Kathryn Dong, Brian R. Holroyd, Corinne M. Hohl, Eric Grafstein, Fiona O’Sullivan, Johanna Trimble and Kimberlyn M. McGrail

March 15, 2022 10 (1) E220-E231; DOI: https://doi.org/10.9778/cmajo.20210131
Open Access
Subgroups of people who make frequent emergency department visits in Ontario and Alberta: a retrospective cohort study
Jessica Moe, Elle (Yuequiao) Wang, Margaret J. McGregor, Michael J. Schull, Kathryn Dong, Brian R. Holroyd, Corinne M. Hohl, Eric Grafstein, Fiona O’Sullivan, Johanna Trimble and Kimberlyn M. McGrail

March 15, 2022 10 (1) E232-E246; DOI: https://doi.org/10.9778/cmajo.20210132
Open Access
SARS-CoV-2 outbreak in a Canadian suburban tertiary hospital necessitating full facility closure: a descriptive observational study
Jamil N. Kanji, Y.L. Elaine Chan, Lesia R. Boychuk, Curtiss Boyington, Sebora Turay, Melissa Kobelsky, Carolyn Doroshuk, Philana Choo, Susan Jacka, Erin Roberts, Karen Leighton, Stephanie W. Smith, Christopher Sikora and Robert Black

February 22, 2022 10 (1) E137-E145; DOI: https://doi.org/10.9778/cmajo.20210064
Open Access
Outcomes of hospital-acquired SARS-CoV-2 infection in the Canadian first wave epicentre: a retrospective cohort study
Eve Melançon, Marc Brosseau, Anthony Bartoli, Annie-Claude Labbé, Christian Lavallée, Xavier Marchand-Senécal and Han Ting Wang

February 01, 2022 10 (1) E74-E81; DOI: https://doi.org/10.9778/cmajo.20210055
Open Access
Risk stratification for COVID-19 hospitalization: a multivariable model based on gradient-boosting decision trees
Jahir M. Gutierrez, Maksims Volkovs, Tomi Poutanen, Tristan Watson and Laura C. Rosella

December 21, 2021 9 (4) E1223-E1231; DOI: https://doi.org/10.9778/cmajo.20210036
Open Access
Estimating the population health burden of Lyme disease in Ontario, Canada: a microsimulation modelling approach
Stephen Mac, Gerald A. Evans, Samir N. Patel, Eleanor M. Pullenayegum and Beate Sander

November 16, 2021 9 (4) E1005-E1012; DOI: https://doi.org/10.9778/cmajo.20210024
Open Access
Incidence and prevalence of primary malignant brain tumours in Canada from 1992 to 2017: an epidemiologic study
Mathew R. Voisin, Sanskriti Sasikumar, Alireza Mansouri and Gelareh Zadeh

November 09, 2021 9 (4) E973-E979; DOI: https://doi.org/10.9778/cmajo.20200295
Open Access
Changes in the reach of a smoking cessation program in Ontario, Canada, during the COVID-19 pandemic: a cross-sectional study
Nadia Minian, Scott Veldhuizen, Elise Tanzini, Stephanie Duench, Wayne K. deRuiter, Megan Barker, Laurie Zawertailo, Osnat C. Melamed and Peter Selby

October 19, 2021 9 (4) E957-E965; DOI: https://doi.org/10.9778/cmajo.20210053
Open Access
SARS-CoV-2 transmission in kindergarten to grade 12 schools in the Vancouver Coastal Health region: a descriptive epidemiologic study
Diana Bark, Nalin Dhillon, Martin St-Jean, Brooke Kinniburgh, Geoff McKee and Alexandra Choi

August 24, 2021 9 (3) E810-E817; DOI: https://doi.org/10.9778/cmajo.20210106

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