1 Department of Pediatrics (Dixit), University of Calgary; Division of Infectious Diseases (Dixit), University of Calgary, Calgary, Alta.; Department of Respiratory Viruses (Tang), University of Leicester; Department of Clinical Microbiology (Tang), University Hospitals of Leicester NHS Trust, Leicester, UK; Special Pathogens Program (retired) (Grolla), National Microbiology Laboratory, Winnipeg, Man. ddixit@ualberta.ca.
2 Department of Pediatrics (Dixit), University of Calgary; Division of Infectious Diseases (Dixit), University of Calgary, Calgary, Alta.; Department of Respiratory Viruses (Tang), University of Leicester; Department of Clinical Microbiology (Tang), University Hospitals of Leicester NHS Trust, Leicester, UK; Special Pathogens Program (retired) (Grolla), National Microbiology Laboratory, Winnipeg, Man.