Characteristics and outcomes of patients with COVID-19 who return to the emergency department: a multicentre observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN)

• Rhonda J. RosychukUniversity of Alberta
• Jaspreet K. KhanguraUniversity of Alberta
• Sylvia S OrtizUniversity of Alberta
• Ivy ChengUniversity of Toronto
• Iwona Anna BielskaJagiellonian University
• Justin W. YanWestern University
• Laurie J. MorrisonSunnybrook Health Science Centre
• Jake HaywardUniversity of Alberta
• Lars GrantLady Davis Institute for Medical Research
• Corinne Michèle HohlUniversity of British Columbia