CHEO is a leading acute‑care, research, and teaching hospital in Ottawa, serving pediatric and adolescent patients across Eastern Ontario, Western Quebec, and Nunavut. Established in 1974, the hospital integrates clinical care with the CHEO Research Institute, supporting approximately 250 researchers and conducting over 600 active studies annually. CHEO provides services in emergency medicine, mental health, pediatrics, autism support, genetics, rehabilitation, and palliative care—impacting more than 600,000 patient visits each year.