Corresponding Author: Kevin A. Brown, PhD, Public Health Ontario, 480 University Ave, Ste 300, Toronto, ON M5G1V2, Canada (kevin.brown@utoronto.ca).
Accepted for Publication: March 26, 2021.
Published Online: April 8, 2021. doi:10.1001/jama.2021.5607
Author Contributions: Drs Brown and Goneau had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Brown, Goneau.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Brown, Goneau.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Brown.
Administrative, technical, or material support: Brown, Gubbay, Hopkins, Buchan, Goneau.
Overseeing sample testing including whole genome sequencing and analysis: Patel.
Conflict of Interest Disclosures: None reported.