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Heterogeneity in testing, diagnosis and outcome in SARS-CoV-2 infection across outbreak settings in the Greater Toronto Area, Canada: an observational study by Wang, Linwei; Ma, Huiting; Yiu, Kristy C.Y.; Calzavara, Andrew; Landsman, David; Luong, Linh; Chan, Adrienne K.; Kustra, Rafal; Kwong, Jeffrey C.; Boily, Marie-Claude; Hwang, Stephen; Straus, Sharon; Baral, Stefan D.; Mishra, Sharmistha is a Medicine article available to read on EtoBox.

What is Heterogeneity in testing, diagnosis and outcome in SARS-CoV-2 infection across outbreak settings in the Greater Toronto Area, Canada: an observational study about?

## Background: Congregate settings have been disproportionately affected by coronavirus disease 2019 (covid-19). our objective was to compare testing for, diagnosis of and death after severe acute respiratory syndrome coronavirus 2 (sars-cov-2) infection across 3 settings (residents of long-term care homes, people living in shelters and the rest of the population). ## Methods: We conducted a population-based prospective cohort study involving individuals tested for sars-cov-2 in the greater toronto area between jan. 23, 2020, and may 20, 2020. we sourced person-level data from covid-19 surveillance and reporting systems in ontario. we calculated cumulatively diagnosed cases per capita, proportion tested, proportion tested positive and case-fatality proportion for each setting. we estimated the age- and sex-adjusted rate ratios associated with setting for test positivity and case fatality using quasi-poisson regression. ## Results: Over the study period, a total of 173 092 individuals were tested for and 16 490 individuals were diagnosed with sars-cov-2 infection. we observed a shift in the proportion of cumulative cases from all cases being related to travel to cases in residents o

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Author

Wang, Linwei; Ma, Huiting; Yiu, Kristy C.Y.; Calzavara, Andrew; Landsman, David; Luong, Linh; Chan, Adrienne K.; Kustra, Rafal; Kwong, Jeffrey C.; Boily, Marie-Claude; Hwang, Stephen; Straus, Sharon; Baral, Stefan D.; Mishra, Sharmistha

Publisher

Joule Inc.; Ottawa: Canadian Medical Association (ISSN 2291-0026)

Published

2020

Language

EN

Field

Medicine (Health Sciences)