1 Department of Medicine, Division of Infectious Diseases, University of Toronto, Toronto, ON, Canada; Division of Internal Medicine and Division of Infectious Diseases, University Health Network, Toronto General Hospital, Toronto, ON M5G 2C4, Canada. Electronic address: isaac.bogoch@uhn.ca.
2 Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada.
3 Computational Epidemiology Lab, Boston Children's Hospital, Boston, MA, USA; Department of Zoology, University of Oxford, Oxford, UK.
4 Department of Medicine, Division of Infectious Diseases, University of Toronto, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada.