Pierre-Philippe Piché-Renaud

Dr. Pierre-Philippe Piché-Renaud is a Clinician-investigator in the Division of Infectious Diseases at The Hospital for Sick Children (SickKids), holds an Associate Scientist-Track position in the Child Health Evaluative Sciences (CHES) program at SickKids Research Institute and is an Assistant Professor of Paediatrics at the University of Toronto. He completed his medical degree and his Master’s degree (M.Sc.) in Clinical Epidemiology at the Institute of Health Policy, Management and Evaluation (University of Toronto) and a research fellowship with a focus on vaccine evaluation and the vaccination of special paediatric populations. Dr. Piché-Renaud completed his clinical training in paediatrics at Université de Montréal (CHU Sainte-Justine) and infectious diseases fellowship at The Hospital for Sick Children.

Research

Dr. Piché-Renaud’s research interests are related to vaccinology, at the intersection of paediatric infectious diseases, immunology, epidemiology, and public & global health. His research curriculum aims to assess the effectiveness and safety of immunization programs both in the general paediatric population and in special hosts. He is the site Principal Investigator for the SickKids Special Immunization Clinic, which is part of a national network that aims to improve immunization practices for patients with medical conditions that may affect their response to immunizations and those who had experienced adverse events following immunization.

Education and experience

• 2021–2024: Master of Science (with thesis), Clinical Epidemiology, Institute of Health Policy, Management and Evaluation (IHPME), University of Toronto, Toronto, ON, Canada.
• 2021–2023: Clinician Scientist Training Program, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
• 2021–2023: Infectious Diseases Advanced Clinical and Research Fellowship, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
• 2021–2023: Transplant and Regenerative Medicine Centre Fellowship, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
• 2019–2021: Paediatric infectious diseases subspecialty fellowship, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
• 2015–2019: Residency in general paediatrics, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada.
• 2010–2015: Doctor of Medicine, Université de Montréal, Montréal, QC, Canada.
• 2008–2010: Diploma of College Studies, Health Sciences, Collège André-Grasset, Montréal, QC, Canada.

Achievement

• 2025: Member of the Early Career Researcher Working Group - Penta Infectious Diseases
• 2024: Claire Bombardier Award (most promising future scientist) - Institute of Health Policy, Management and Evaluation (University of Toronto)
• 2022: Awards for Excellence for research abstract - Canadian Paediatric Society
• 2021: Senior Trainee Researcher in Clinical Science Award - The Hospital for Sick Children
• 2021: Trainee Award and Best Research Abstract - Infectious Diseases Society of America (IDSA)

1. Piché-Renaud PP, Buchan CA, Burton C, Chapdelaine H, Jeewa A, Morris SK, Pernica JM, Pham-Huy A, Sadarangani M, Salvadori MI, Suresh S, Kafil TS, Cowan J, Top KA; Special Immunization Clinic Network investigators. Revaccination of individuals with cardiac adverse events following COVID-19 vaccination: A Canadian Immunization Research Network study. Vaccine. 2026 Jan 5;70:128016. Epub 2025 Nov 28. PMID: 41317434. 
2. Piché-Renaud PP, Drover SSM, Austin PC, Morris SK, Buchan SA, Nasreen S, Schwartz KL, Tadrous M, Thampi N, Wilson SE, Wilson K, Guttmann A, Kwong JC. COVID-19 vaccine effectiveness against severe omicron-related outcomes in children aged 5 to 11 years in Ontario: A Canadian immunization research network (CIRN) study. Vaccine. 2025 Jan 12;44:126539. Epub 2024 Nov 30. PMID: 39617675. 
3. Piché-Renaud PP, Yue Lee E, Ji C, Huang JYQ, Uleryk E, Teoh CW, Morris SK, Top KA, Upton JEM, Vyas MV, Allen UD. Safety and Immunogenicity of the Live-Attenuated Varicella Vaccine in Pediatric Solid Organ Transplant Recipients: A Systematic Review and Meta-Analysis. Am J Transplant. 2023 Jun 13:S1600-6135(23)00532-4.
4. Piché-Renaud PP, Swayze S, Buchan S, Wilson SE, Austin PC, Morris SK, Nasreen S, Schwartz KL, Tadrous M, Thampi N, Wilson K, Kwong JC. COVID-19 Vaccine Effectiveness against Omicron Infection and Hospitalization. Pediatrics. 2023 Mar 3:e2022059513. 
5. Piché-Renaud PP, Ji C, Farrar DS, Friedman JN, Science M, Kitai I, Burey S, Feldman M, Morris SK. Impact of the COVID-19 pandemic on the provision of routine childhood immunizations in Ontario, Canada. Vaccine. 2021 Jul 13;39(31):4373-4382. Epub 2021 Jun 1. PMID: 34108076; PMCID: PMC9756828. 

See Dr. Piché-Renaud's other publication

Funding

• Canadian Institutes of Health Research
• Canadian Immunization Research Network 
• Public Health Agency of Canada
• Natural Sciences and Engineering Research Council of Canada