Research
Open Access
Factors associated with SARS-CoV-2 positivity in 20 homeless shelters in Toronto, Canada, from April to July 2020: a repeated cross-sectional study
Tara Kiran, Amy Craig-Neil, Paul Das, Joel Lockwood, Ri Wang, Nikki Nathanielsz, Esther Rosenthal, Carolyn Snider and Stephen W. Hwang
March 30, 2021 9 (1) E302-E308; DOI: https://doi.org/10.9778/cmajo.20200253