Dr. McGeer completed an undergraduate and master’s degree in biochemistry, then her medical degree at the University of Toronto. She specialized in internal medicine and infectious diseases followed by a fellowship in hospital epidemiology at Yale New Haven Hospital.
She returned to Mount Sinai Hospital in 1989 and worked as a microbiologist and the director of infection prevention and control until March of 2019. In April of 2019 she moved to full time research as a Senior Clinician Scientist at the Lunenfeld-Tanenbaum Research Institute of the Sinai Health System. Her major research interests are in the prevention of infection in hospitals and nursing homes, the use of surveillance to advance the prevention, diagnosis and treatment of infectious diseases, and emerging infectious diseases including antimicrobial resistance. She is the principal investigator of the Toronto Invasive Bacterial Diseases Network, a collaborative surveillance network that performs surveillance for serious bacterial and viral diseases, including COVID19, in south central Ontario.
Dr. McGeer is a Professor in the Department of Laboratory Medicine and Pathobiology and at the Dalla Lana School of Public Health at the University of Toronto. She currently serves as an external expert to the influenza working group of Canada’s National Advisory Committee on Immunization and is a meeting of Canada’s COVID19 Immunity Task Force Leadership Group. She was the lead for the hospital investigation of SARS-CoV-1 in Ontario in 2003, investigated the first outbreak of MERS in the Kingdom of Saudi Arabia in 2013, and worked for the World Health Organization as the infection prevention and control focal point in Liberia during the 2014/15 West African Ebola Outbreak.