Provincial Infectious Diseases Advisory Committee on Infection Prevention and Control (PIDAC-IPC)

PIDAC-IPC is a multidisciplinary committee of health care professionals with expertise and experience in Infection Prevention and Control.

The committee advises PHO on the prevention and control of health care-associated infections, considering the entire health care system, with a focus on clients, patients and residents, as well as health care providers. 

PIDAC-IPC produces best practice documents that are evidence-based, to the largest extent possible, to assist health care organizations in improving quality of care, as well as client, patient and resident safety.

To see resources published by the Committee, please scroll to the bottom of the page.

PIDAC Call for Members

PIDAC-IPC is currently seeking a Physician in an Academic Health Sciences Centre to fill the role of member.

See our Call for Member for details.


Dr. Matthew Muller, Chair

Matthew Muller is currently an infectious diseases consultant at St. Michael’s Hospital and has been the medical director of Infection Prevention and Control at the hospital since 2011. Muller is a member of the Public Health Agency of Canada’s Expert Working Group on Infection Prevention and Control and is the vice chair of the Expert Panel on Infection Control for the Faculty of Medicine at the University of Toronto. He joined the Provincial Infectious Advisory Committee on Infection Prevention and Control (PIDAC-IPC) in 2013 and became the chair of the committee in 2014.

Muller completed his training in Internal Medicine and Infectious Diseases as well as his PhD in Clinical Epidemiology at the University of Toronto. His PhD thesis examined clinical and epidemiological aspects of the SARS epidemic in Toronto. His current research interests are focused on the epidemiology and prevention of healthcare-associated infection as well as issues related to hand hygiene improvement, hand hygiene measurement and hand hygiene measurement technology.

Natalie Bruce

Natalie is the Manager of the Infection Prevention and Control Program at The Ottawa Hospital. She has 17 years’ experience in infection prevention and control and has maintained her CIC certification since 1996.

She is the chair of the IPAC-Canada Education Core Committee and is a member of the Certification Board of Infection Control and Epidemiology, Inc. (CBIC) Test Committee since 2014. Prior to infection control Natalie worked as a critical care nurse and an organ donor coordinator

Dr. William Ciccotelli

William Ciccotelli graduated from McMaster Medical School in 2002, staying in Hamilton to complete post graduate training programs in internal medicine, infectious diseases and medical microbiology. For the last six years, he has been practicing as a consultant in infectious diseases and as a microbiologist for Grand River and St. Mary’s general hospitals in Kitchener Waterloo.

He is also serves as the Joint Medical Director for the Infection Prevention and Control departments, and as the physical lead in the Joint Antibiotic Stewardship program. Ciccotelli holds an appointment as a part time assistant professor in the Department of Pathology and Molecular Medicine at McMaster University and remains involved in medical education in Infectious Diseases at the local campus.

Dr. Susy Hota

Susy Hota is a hospital epidemiologist and infectious diseases specialist at the University Health Network, and a Clinician in Quality Improvement and Innovation at the University of Toronto. She completed medical school, residency training and a Masters of Science in Clinical Epidemiology and Health Research at the University of Toronto.

Hota’s clinical and research interests include improving the control and management of Clostridioides difficile infection (CDI), understanding the long-term health effects of fecal microbiota transplantation (FMT) and improving health systems response to infectious diseases emergencies.

Vydia Nankoosingh

Vydia Nankoosingh is as a general medical laboratory technologist with 11 years of experience working in microbiology. She started as an Infection Control Professional in 2001 at the North York General Hospital where she worked predominantly in acute care and also gained experience in the rehabilitation and long term care settings.

Nankoosingh moved to the University Health Network in 2004 where she had the opportunity to work on the Infection Control Resource Team (OAHPP), lead UHN’s external consulting and become a team leader. Nankoosingh has been at The Scarborough Hospital since 2010 as a manager of IPAC. She is also an executive member of IPAC-GTA (local chapter of IPAC-Canada) and has been certified by the Certification Board of Infection Control and Epidemiology since March 2004.

Dr. Herveen Sachdeva

Herveen Sachdeva is a Public Health and Preventive Medicine physician. She has worked for Toronto Public Health as an Associate Medical Officer of Health since completing her fellowship training at the University of Toronto in 2006.

Over these years, she has focused in communicable disease control in the areas of outbreak control and prevention, and infection prevention and control in community settings. She is an adjunct lecturer with the Dalla Lana School of Public Health at the University of Toronto.

Louise Azzara

Louise has been working in public health for 24 years as a Public Health Inspector, beginning her career with the Province of Saskatchewan in 1994. In 2000, she moved back to Ontario and worked for the Muskoka Parry Sound District Health Unit and the Simcoe Muskoka District Health Unit (SMDHU).  She worked as a General PHI up until 2002, and then specialized in IPAC on the Communicable Disease Investigation Unit and Surveillance Units.  In 2013, she was hired as the Infection Prevention and Control Coordinator for the SMDHU. She graduated in 1994 with a Bachelor of Science in Environmental Health and obtained a Master of Science in Infectious Diseases in 2009. In 2013, she became certified in Infection Control CIC and recertified in 2017.

Laurie Streitenberger

Laurie is the Senior Manager of the Infection Prevention and Control program at The Hospital for Sick Children (SickKids). She has been an ICP at SickKids since 1998 and a Registered Nurse since 1991.  Her experience is in neonatal and pediatric infection prevention and control with a special interest in surgical site infections. 

Dr. Dominik Mertz

Dr. Mertz completed his medical training in Internal Medicine and Infectious Diseases in Switzerland prior to moving to Canada to complete a Master of Health Research Methodology at McMaster University. He is currently an Associate Professor in the Department of Medicine and is affiliated with the Departments for Health Research Methods, Evidence and Impact, the Department of Pathology and Molecular Medicine, the Population Health Research Institute (PHRI), and the Michael G. DeGroote Institute for Infectious Diseases Research. He serves as the Medical Director Infection Prevention and Control at Hamilton Health Sciences; editor for BMC Infectious Diseases; teaches at McMaster University; and is a member of the Canadian Nosocomial Infection Surveillance Program (CNISP) and Society of Healthcare Epidemiology of America (SHEA).


Conflict of Interest Rules

Public Health Ontario recognizes that many external advisors may not be completely free of actual, potential or perceived conflict of interest, as they may have affiliations with regulated industries, the scientific community or special interest groups, which receive funding from industry.

In an attempt to avoid or mitigate conflict of interest, we have developed conflict of interest rules that are intended to achieve a reasonable balance of those divergent considerations and the expertise we hope to gain from the external advisors, while avoiding or mitigating conflict of interest. To this end, each candidate will be asked to complete a conflict of interest disclosure form as part of the application process. 

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Updated 6 Dec 2022