Dr. Vanessa Tran

Clinical Microbiologist
Public Health Ontario Laboratory

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PHO is where the action is! We are at the forefront of safeguarding public health in Ontario. Working at PHO combines my passion for microbiology and public health. I love that I get to work on infectious diseases and molecular diagnostics while having a direct impact on the health of Ontarians.

Areas of Expertise

  • molecular microbiology 
  • molecular diagnostics
  • bloodborne viruses 
  • molecular epidemiology 
  • serology


Assistant Professor, Department of Laboratory Medicine and Pathobiology, University of Toronto

Academic Degrees and Accreditations

  • Fellow, Canadian College of Microbiologists (FCCM)
  • Doctor of Philosophy (Molecular Genetics), University of Toronto
  • Bachelor of Science (Microbiology), University of Guelph

PHO Research Interests

  • investigation of molecular diagnostics and point-of-care testing 
  • diagnostics to improve testing access and equity 
  • molecular epidemiology of HIV and hepatitis viruses
  • co-infection of bloodborne pathogens  

PHO Research Activities

  • evaluating methods to examine and understand the serological response in COVID-19 
  • collaborating on the investigation of seroprevalence of COVID-19 in Ontario
  • using testing data to investigate the rate of co-infection of COVID-19 and other respiratory viruses in Ontario

Selected Publications

  1. Respiratory Virus Infections (ReVI) Working Group. The Canadian Public Health Laboratory Network (CPHLN) statement on point-of-care serology testing in COVID-19. Winnipeg, MB: National Collaborating Centre for Infectious Diseases; 2020.
  2. Ontario Agency for Health Protection and Promotion (Public Health Ontario). COVID-19 seroprevalence in Ontario: March 27, 2020 to June 30, 2020. Toronto, ON: Queen’s Printer for Ontario; 2020.
  3. Walkty A, Adam H, Tran V, Alexander DC, Boyd D, Bharat A, et al. Failure of a multiplex polymerase chain reaction assay to detect IMP-27 in a clinical isolate of Morganella morganii. Diagn Microbiol Infect Dis. 2018;92(3):194-5.
  4. Stein M, Tran V, Nichol KA, Lagacé-Wiens P, Pieroni P, Adam HJ, et al. Evaluation of three MALDI-TOF mass spectrometry libraries for the identification of filamentous fungi in three clinical microbiology laboratories in Manitoba, Canada. Mycoses. 2018;61(10):743-53.
  5. Mehta N, Perrais B, Martin K, Kumar A, Hobman TC, Cabalfin-Chua MN, Donaldo ME, Siose Painaga MS, Gaite JY, Tran V, Kain KC, Hawkes MT, Yanow SK. A direct from blood/plasma reverse transcription-polymerase chain reaction for dengue virus detection in point-of-care settings. Am J Trop Med Hyg. 2019;100(6):1534-40.

View more publications by Dr. Vanessa Tran on PubMed.gov

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Updated 5 June 2021