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