CHEO is a pediatric health-care and research centre located in Ottawa, Ontario, Canada. CHEO is also a tertiary trauma centre for children in Eastern Ontario, Nunavut, Northern Ontario and the Outaouais region of Quebec and one of only seven Level I trauma centres for children in Canada (others being The Hospital for Sick Children in Toronto, the Montreal Children's Hospital in Montreal, the Centre hospitalier universitaire Sainte-Justine in Montreal, IWK Health Centre in Halifax, Alberta Children's Hospital in Calgary, Stollery Children's Hospital in Edmonton, and BC Children's Hospital in Vancouver). It is affiliated with The Ottawa Hospital and the University of Ottawa, and is funded by the provincial Government of Ontario. CHEO first opened its doors on May 17, 1974, and is located at