Dr. Shawn Clark

Clinical Microbiologist

Research Focus

Molecular microbiology
Antimicrobial resistance
Antimicrobial susceptibility testing
Arthropod-borne and zoonotic viruses

Publications

Duvvuri VR, Shire F, Isabel S, Braukmann T, Bandukwala H, Clark ST, et al. Large scale analysis of the SARS-CoV-2 main protease protein reveals marginal presence of nirmatrelvir drug-resistant SARS-CoV-2 Omicron mutants in Ontario, Canada, from December 2021 to September 2023. Can Commun Dis Rep. 2024;50(10):365-74.
Isabel S, Eshaghi A, Duvvuri VR, Gubbay JB, Cronin K, … Clark ST, et al. Targeted amplification-based whole genome sequencing of Monkeypox virus in clinical specimens. Microbiol Spectr. 2024;12(1):e0297923.
Clark ST, Cronin K, Corbeil AJ, Patel SN. A Ten-Year Retrospective Survey of Antimicrobial Susceptibility Patterns among Salmonella enterica subsp. enterica Serovar Typhi Isolates in Ontario, Canada. Microbiol Spectr. 2023;11(1):e0482822.

View all publications by Dr. Shawn Clark on PubMed.gov

New Initiatives

Develop and implement genomics-focused approaches to detect, characterize and survey pathogens of public health significance in Ontario
Enhance laboratory testing of emerging and re-emerging arboviruses (e.g. Oropouche virus)

Education

Fellow, Canadian College of Microbiologists (FCCM)
Doctor of Philosophy (Respiratory infections), University of Toronto
Master of Science (Molecular microbiology), Ryerson University

Appointments

Assistant professor, Laboratory Medicine and Pathobiology, University of Toronto

Personal statement

"PHO is an exciting and dynamic environment that is extremely rewarding. As a Clinical Microbiologist at PHO, I work with multidisciplinary teams that together develop scientific and technical information and guidance to protect the health of Ontarians. This includes research to improve diagnostic laboratory testing for infectious agents and monitoring of their activity in Ontario."

Contact

Media

media@oahpp.ca

Updated 15 May 2025