Fatal respiratory diphtheria in a visitor to Canada

Public Health Branch (Cholewa, Karachiwalla), Regional Municipality of York, Newmarket, Ont.; Dalla Lana School of Public Health (Karachiwalla, Wilson), and Faculty of Medicine (Nadarajah), and Department of Laboratory Medicine and Pathobiology (Kus), University of Toronto; Public Health Ontario (Wilson, Kus), Toronto, Ont.; Department of Family Medicine, School of Medicine (Karachiwalla), Queen’s University, Kingston, Ont.; Institute for Clinical Evaluative Studies, (Wilson), Toronto, Ont.

Public Health Branch (Cholewa, Karachiwalla), Regional Municipality of York, Newmarket, Ont.; Dalla Lana School of Public Health (Karachiwalla, Wilson), and Faculty of Medicine (Nadarajah), and Department of Laboratory Medicine and Pathobiology (Kus), University of Toronto; Public Health Ontario (Wilson, Kus), Toronto, Ont.; Department of Family Medicine, School of Medicine (Karachiwalla), Queen’s University, Kingston, Ont.; Institute for Clinical Evaluative Studies, (Wilson), Toronto, Ont.

Public Health Branch (Cholewa, Karachiwalla), Regional Municipality of York, Newmarket, Ont.; Dalla Lana School of Public Health (Karachiwalla, Wilson), and Faculty of Medicine (Nadarajah), and Department of Laboratory Medicine and Pathobiology (Kus), University of Toronto; Public Health Ontario (Wilson, Kus), Toronto, Ont.; Department of Family Medicine, School of Medicine (Karachiwalla), Queen’s University, Kingston, Ont.; Institute for Clinical Evaluative Studies, (Wilson), Toronto, Ont.

Public Health Branch (Cholewa, Karachiwalla), Regional Municipality of York, Newmarket, Ont.; Dalla Lana School of Public Health (Karachiwalla, Wilson), and Faculty of Medicine (Nadarajah), and Department of Laboratory Medicine and Pathobiology (Kus), University of Toronto; Public Health Ontario (Wilson, Kus), Toronto, Ont.; Department of Family Medicine, School of Medicine (Karachiwalla), Queen’s University, Kingston, Ont.; Institute for Clinical Evaluative Studies, (Wilson), Toronto, Ont.

Public Health Branch (Cholewa, Karachiwalla), Regional Municipality of York, Newmarket, Ont.; Dalla Lana School of Public Health (Karachiwalla, Wilson), and Faculty of Medicine (Nadarajah), and Department of Laboratory Medicine and Pathobiology (Kus), University of Toronto; Public Health Ontario (Wilson, Kus), Toronto, Ont.; Department of Family Medicine, School of Medicine (Karachiwalla), Queen’s University, Kingston, Ont.; Institute for Clinical Evaluative Studies, (Wilson), Toronto, Ont.