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Jeffrey Kwong

Associate scientist

Sunnybrook Health Sciences Centre
2075 Bayview Ave., Room A1 23
Toronto, ON
M4N 3M5

Phone: 416-480-4055, ext. 7665
Fax: 416-480-6048

Administrative Assistant: Cecilia Barnes
Phone: 416-480-4055, ext. 6903


  • B.Sc., 1997, microbiology and immunology, McGill University, Canada
  • MD, 2001, University of Toronto, Canada
  • CCFP, 2003, family medicine, U of T
  • M.Sc., 2005, epidemiology, U of T
  • FRCPC, 2007, public health and preventive medicine, U of T

Appointments and Affiliations:

  • Associate scientist, Evaluative Clinical SciencesIntegrated Community Research Program, Sunnybrook Research Institute
  • Senior scientist, Institute for Clinical Evaluative Sciences
  • Scientist, Public Health Ontario
  • Family physician, Toronto Western Family Health Team
  • Associate professor, department of family and community medicine and Dalla Lana School of Public Health, U of T

Research Foci:

  • Infectious diseases epidemiology and health services research using linkable data
  • Influenza vaccine and vaccination program evaluation (vaccine coverage, vaccine effectiveness, vaccine safety, vaccination program strategies [e.g., universal, school-based])
  • Assessing the burden of infectious diseases

Research Summary:

The focus of Dr. Kwong's research is infectious diseases, particularly influenza and other vaccine-preventable diseases. His research lies at the interface between primary care and public health. He is an epidemiologist and health services researcher, a specialist in public health and preventive medicine, and a practising academic family physician.

Selected Publications:

See current publications list at PubMed.

  1. Naimer M, Kwong JC, Bhatia D, Moineddin R, Whelan M, Macdonald L, Campitelli MA, Lofters A, Tuite A, Bogler T, Permaul J, McIsaac W. The effect of changes in cervical cancer screening guideline on chlamydia testing. Ann Fam Med. 2017 Jul 10;15(4):329–34.
  2. Buchan SA, Rosella LC, Finkelstein M, Juurlink D, Isenor J, Marra F, Patel A, Russell ML, Quach S, Waite N, Kwong JC, for the Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network (PCIRN) Program Delivery and Evaluation Group. Impact of pharmacist administration of influenza vaccines on uptake in Canada. CMAJ. 2016 Aug 8. DOI: 10.1503/cmaj.151027.
  3. Kwong JC, Pereira JA, Quach S, Pellizzari R, Dusome E, Russell ML, Hamid JS, Feinberg Y, Winter AL, Gubbay JB, Sirtonski B, Moher D, Sider D, Finkelstein M, Loeb M, Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network (PCIRN) Program Delivery and Evaluation Group. Randomized evaluation of live attenuated vs. inactivated influenza vaccines in schools (RELATIVES) cluster randomized trial: Pilot results from a household surveillance study to assess direct and indirect protection from influenza vaccination. Vaccine. 2015 Sep 11;33(38):4910–5.
  4. Kwong JC, Campitelli MA, Gubbay JB, Peci A, Winter AL, Olsha R, Turner R, Rosella LC, Crowcroft NS. Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among elderly adults during the 2010–2011 season. Clin Infect Dis. 2013 Sep;57(6):820–7.
  5. Kwong JC, Vasa PP, Campitelli MA, Hawken S, Wilson K, Rosella LC, Stukel TA, Crowcroft NS, McGeer AJ, Zinman L, Deeks SL. Risk of Guillain-Barré syndrome after seasonal influenza vaccination and influenza health-care encounters: a self-controlled study. Lancet Infect Dis. 2013 Sep;13(9):769–76.

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