Dr. Bryna Warshawsky, MD

warshwsky_b_160x180.pngAdjunct Assistant Professor
P: 647.260.7551
E-mail: bryna.warshawsky@oahpp.ca


Research Interests

  • Communicable Diseases and Immunization
    • Influenza epidemiology
    • Influenza vaccine and vaccination programs
    • Rabies
    • Outbreak investigations


  • Graduated from Medicine at McGill University
  • Did residencies in Family Medicine, and Public Health and Preventive Medicine at the University of Toronto
  • Obtained a Masters of Health Science Degree from the University of Toronto

Selected Publications

  • Middleton D, Friedman L, Johnson S, Buchan S, Warshawsky B. Human rabies post-exposure prophylaxis and rabid terrestrial animals in Ontario, Canada: 2014-2016. Canada Communicable Disease Report. 2019;45(7/8):177–82. https://doi.org/10.14745/ccdr.v45i78a02
  • Hanson H, Whitfield Y, Lee C, Badiani T, Minielly C, Fenik J, Makrostergios T, Kopko C, Majury A, Hillyer E. Fortuna L, Maki A, Murphy A, Lambos M, Zitterman S, Yang Y, Hill K, Kong A, Sharma D, Warshawsky B. Listeria monocytogenes associated with pasteurized chocolate milk, Ontario, Canada. Emerging Infectious Diseases. 2019;25(3):581-84. https://dx.doi.org/10.3201/eid2503.180742
  • Ramsay LC, Buchan SA, Stirling RG, Cowling BJ, Feng S, Kwong JC, Warshawsky BF. The impact of repeated vaccination on influenza vaccine effectiveness: a systematic review and meta-analysis. BMC Medicine. 2019;17(9) https://bmcmedicine.biomedcentral.com/track/pdf/10.1186/s12916-018-1239-8.
  • Hobbs JL, Warshawsky B, Maki A et al. Nuggets of Wisdom: Salmonella Enteritidis outbreaks and the case for new rules on uncooked frozen processed chicken. Journal of Food Protection. 2017;80(4):703-9. http://jfoodprotection.org/doi/full/10.4315/0362-028X.JFP-16-431?code=fopr-site
  • Desai S, Ismail SJ, Lerch R, Warshawsky B, Gemmill I. Canada’s National Advisory Committee on Immunization: Celebrating 50 years. Canadian Journal of Infectious Disease and Medical Microbiology, 2015 May-June; 26(3):126-8.
  •  Warshawsky B, Gutmanis I, Henry B et al. Outbreak of Escherichia coli 0157:H7 related to animal contact at a petting zoo. The Canadian Journal of Infectious Diseases 2002;13(3):175-81.
  • Warshawsky B, Hussain Z, Gregson B, et al. Hospital and community-based surveillance of Methicillin-Resistant Staphylococcus aureus: Previous hospitalization is the major risk factor. Infection Control and Hospital Epidemiology 2000;21(11):724-7.