Assistant Professor

Kevin R. Barker

Department of Laboratory Medicine & Pathobiology

MSc, PGCert, DipRCPath, Ph.D, FCCM, ABMM

Credit Valley Hospital: Trillium
2200 Eglinton Avenue West, Mississauga, Ontario Canada L5M 2N1
Research Interests
Genetics Genomics & Proteomics, Infectious Diseases & Immunopathology
Clinical Interests
Infectious Disease, Microbiology (Clinical and Medical)
Appointment Status

Professional Memberships

  • The Royal College of Pathologists
  • Health & Care Professions Council
  • Canadian College of Microbiologists
  • American Board of Medical Microbiology

Selected Publications

Isabel S, Abdulnoor M, Boissinot K, Isabel MR, de Borja R, Zuzarte PC, Sjaarda CP, Barker KR, Sheth PM, Matukas LM, Gubbay JB, McGeer AJ, Mubareka S, Simpson JT, Fattouh R. Emergence of a mutation in the nucleocapsid gene of SARS-CoV-2 interferes with PCR detection in Canada. Scientific Reports. 2022 Jun 27;12(1):10867. doi: 10.1038/s41598-022-13995-4

Posen HJ, Wong W, Farrar DS, Campigotto A< Chan T, Barker KR, Hagmann SHF, Ryan ET, LaRocque RC, Earl AM, Worby CJ, Castelli F, Perez VF, Britton PN, Libman M, Hamer DH, Morris SK. Travel associated extensively drug resistant typhoid fever: a case series to inform management in non-endemic regions. Journal of Travel Medicine. 2022 Jul 29;taac086. doi: 10.1093/jtm/taac086

Barker KR, Small LN, Thai DV, Sohn KY, Rosella LC. Evaluating the ability to ID (COVID-19) NOW: a Large Real-World Prospective Evaluation of the Abbott ID NOW COVID-19 Assay. Microbiology Spectrum. 2022 May 17; doi:

Barker KR, Santino M, LiPuma JJ, Tullis E, Muller M, Matukas LM, Tadros M. Fourier-Transform Infrared (FTIR) spectroscopy for typing Burkholderia cenocepacia ET12 isolates. Microbiol Spectr. 2021 Dec 22;9(3):e0183121. doi: 10.1128/Spectrum.01831-21. Epub 2021 Dec 8.

Marchand-Senecal X, Brasg IA, Kozak R, Elligsen M, Vermeiren C, Corbeil AJ, Barker KR, Katz K, Powis JE, Gold WL, Leis JA. Impact of rejection of low-quality wound swabs on antimicrobial prescribing: A controlled before-after study. Open Forum Infect Dis. 2020. 13;8(1):ofaa609; doi: 10.1093/ofid/ofaa609

Parkes LO, Barker K, Poutanen SM, Grant JM, Libman M, Leis J, Stapleton P, Silverman, Hota S. Modern Problem, Medieval Cure – Resistant Aeromonas in Medicinal Leeches. Open Forum Infect Dis. 2018. 5; suppl1, S344; doi: 10.1093/ofid/ofy210.977

Barker KR, Lu Z, Kim H, Zheng Y, Chen J, Conroy AL, Hawkes M, Cheng HS, Njock M, Fish JE, Harlan JM, Lopez JA, Liles WC, Kain KC. miR-155 regulates inflammation, endothelial activation and blood-brain barrier dysfunction in cerebral malaria. Mol Med 2017. 2;23 doi: 10.2119/molmed.2016.00139

Conroy AL, Hawkes M, McDonald CR, Kim H, Higgins SJ, Barker KR, Namasopo S, Opoka RO, John CC, Liles WC, Kain KC. Host biomarkers are associated with response to therapy and long-term mortality in pediatric severe malaria. Open Forum Infect Dis. 2016. 20;3(3):ofw134

Conroy AL, Hawkes M, Elphinstone RE, Morgan C, Hermann L, Barker KR, Namasopo S, Opoka RO, John CC, Liles WC, Kain KC. Acute kidney injury is common in pediatric severe malaria and is associated with increased risk of acute and long-term mortality: a prospective cohort study. Open Forum Infect Dis 2016. 3(2): ofw046

Barker KR, Conroy AL, Hawkes M, Murphy H, Pandey P, Kain KC. Biomarkers of hypoxia, endothelial and circulatory dysfunction among climbers in Nepal with AMS and HAPE: a prospective case-control study. J Trav Med 2016. 16:23(3). pii: taw005. doi: 10.1093/jtm/taw005

Graham SM, Chen J, Chung DW, Barker KR, Conroy AL, Hawkes MT, Namasopo S, Kain KC, López JA, Conrad WC. Endothelial activation, haemostasis and thrombosis biomarkers in Ugandan children with severe malaria participating in a clinical trial. Malaria J 2016. 15(56):1-9

Gorton RL, Ramanarain P, Barker K, Stone N, Rattenbury S, McHugh TD, Kibbler CC. Comparative analysis of Gram's stain, PNA-FISH and SepsityperTM with MALDI-TOF MS for the identification of yeast direct from positive blood cultures. Mycoses 2014. 57(10):593-601

Barker KR, Sarafino-Wani R, Khanom A, Griffiths PD, Jacobs MG, Webster DP. Encephalitis in an Immunocompetent Man. J Clin Viro 2014. 59(1):1-3

Stone NRH, Gorton RL, Barker K, Ramnarain P, Kibbler CC. Evaluation of Yeast Traffic Light PNA FISH for The Rapid Identification of Yeast Directly from Positive Blood Cultures and Assessment of Clinical Impact. J Clin Micro 2013. 51(4):1301-2

Livermore DM, Mushtaq S, Barker K, Hope R, Warner M, Woodford N. Characterization of β-lactamase and porin mutants of Enterobacteriaceae selected with ceftaroline + avibactam (NXL104). J Antimicrob Chemother 2012. 67(6):1354-8


Clinical Microbiologist, Trillium Health Partners

Assistant Professor, Laboratory Medicine and Pathobiology, Temerty Faculty of Medicine, University of Toronto

Investigator, Institute for Better Health, Trillium Health Partners

Antimicrobial Stewardship Committee Member, Antimicrobial Stewardship Program, Trillium Health Partners

Honours and Awards

Norman Bethune Award (2020)

Dr. Donald D. Low Bursary (2019)

ESCMID Funded Intercontinental Oberservership (2018)

Hilda & William Courtney Clayton Paediatric Research Fund (2016-2017)

Peterborough K.M. Hunter Charitable Foundation Graduate Award (2015-2016)

The McCuaig-Throop Bursary (2015-2016)

Poster Presentation Award (2016)

School of Graduate Studies Conference Grant (2015)

Poster Presentation Award (2015)

University of Toronto Fellowship (2013)

ESCMID Attendance Grant (2013)

Association of Clinical Biochemistry and Laboratory Medicine Travel Expenses Grant (2013)