1 Department of Laboratory Medicine and Pathobiology (Avery, Kus), University of Toronto, Ont.; Lakeridge Health (Ricciuto), Oshawa, Ont.; Division of Infectious Diseases (Ricciuto), Department of Medicine, University of Toronto; Public Health Ontario (Kus), Toronto, Ont.
2 Department of Laboratory Medicine and Pathobiology (Avery, Kus), University of Toronto, Ont.; Lakeridge Health (Ricciuto), Oshawa, Ont.; Division of Infectious Diseases (Ricciuto), Department of Medicine, University of Toronto; Public Health Ontario (Kus), Toronto, Ont. julianne.kus@oahpp.ca.