The Sounds of Silence: Public Goods, Externalities, and the Value of Infectious Disease Control Programs

¹The Research Institute of the Hospital for Sick Children, University of Toronto, Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

²Departments of Medicine, Critical Care Medicine, Pathology and Laboratory Medicine, Centre for Antimicrobial Resistance, University of Calgary, Calgary Laboratory Services, Calgary Health Region, Calgary, Alberta, Canada