Emergency departments have been placed at the heart of the patient triage strategy during the COVID-19 epidemic. In the absence of scientific knowledge on the most efficient strategy to put in place in emergency structures, the centers have proposed very heterogeneous protocols resulting from collaboration with local radiology and virology teams. While the pandemic in France appears to be currently under control, it is important to assess the sorting strategies put in place to deal with a new epidemic.

Inclusion criteria:

• Major subject (≥18 years old)
• Subject treated in the emergency rooms of participating centers for suspicion of COVID-19 presenting with fever> 38 ° and / or respiratory signs (dyspnea, cough, sputum) and / or other symptoms suggestive of COVID-19 (diarrhea , confusion ...) and / or people over 85 or living in an institution during the study period from March 9 to May 8, 2020
• Subject affiliated to a social health insurance protection scheme
• Subject not having expressed their opposition, after information, to the reuse of their data for the purposes of this research

Exclusion criteria:

• Subject having expressed opposition to participating in the study
• Subject under guardianship or guardianship
• Subject under safeguard of justice

Major subject treated in the emergency rooms of participating centers for suspicion of COVID-19 presenting with fever> 38 ° and / or respiratory signs (dyspnea, cough, sputum) and / or other symptoms suggestive of COVID-19 (diarrhea , confusion ...) and / or people over 85 or living in an institution during the study period from March 9 to May 8, 2020