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Natasha Crowcroft

Adjunct Scientist

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


Contact Natasha Crowcroft



  • MD(Cantab), University of Cambridge
  • MSc, University of London
  • MB BS, University of London
  • BA, Natural Sciences, University of Cambridge

Research Focus

  • Immunization
  • Infectious diseases

Other Affiliations

  • Professor, Laboratory Medicine and Pathobiology, University of Toronto
  • Professor, Dalla Lana School of Public Health, University of Toronto
  • Member, School of Graduate Studies, University of Toronto

Recent ICES Grants

Recent Awards & Recognition

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:

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