Skip to main content

Sarah Buchan

Adjunct Scientist

ICES Affiliation
  • ICES UofT
  • Populations & Public Health Research Program



Contact Sarah Buchan


  • PhD, Epidemiology, Dalla Lana School of Public Health, University of Toronto
  • MSc, Global Health and Development, University College London
  • BScH, Biology, Queen's University

Research Focus

  • Immunization
  • Infectious diseases
  • Pediatric health
  • Health services research

Other Affiliations

  • Scientist, Public Health Ontario
  • Assistant Professor, Dalla Lana School of Public Health, University of Toronto

Recent ICES Grants

Recent ICES Publications

The impact of repeated vaccination using 10-year vaccination history on protection against influenza in older adults: a test-negative design study across the 2010/11 to 2015/16 influenza seasons in Ontario, Canada

Kwong JC, Chung H, Jung JKH, Buchan SA, Campigotto A, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Schwartz KL, Simor A, Smieja M, Zahariadis G; Canadian Immunization Research Network (CIRN). Euro Surveill. 2020; 25(1):1900245. Epub 2020 Jan 9. DOI: