Covid-19 Long Immunité IMagerie (CLIIM)

FOR CL+ PATIENTS Inclusion Criteria: * Case definition in line with WHO Delphi process Exclusion Criteria: * History of chronic fatigue syndrome diagnosed before or after Covid. * History of progressive psychiatric pathology. * History of acute Covid requiring admission to intensive care and mechanical ventilation. * No social security affiliation. FOR CONTROL (CL-) Inclusion Criteria: * History of acute COVID-19, mild, moderate or severe (episode at least 3 months at the time of inclusion). * Absence of persistent symptoms more than 3 months after first Covid symptoms (or mild not affecting daily activities). Exclusion Criteria: * History of progressive psychiatric pathology. * History of acute Covid requiring admission to intensive care and mechanical ventilation. * No social security affiliation. * Pregnant or breast-feeding.