Medium and Long Term Follow-up of COVID-19 Infected Patients: Research and Characterization of Pulmonary Sequelae

"D0: date of first symptoms of SARS-COV-2~M3: D0 + 3 months~* Blood test~* Blood gases~* Clinical examination~* CT Scan~* Pulmonary function testing (PFT)~* 6-minute walk test (6MWT)~* MOS SF-36 Questionnaire~* HADS scale~* Ventilatory polygraphy~M6: D0 + 6 months~* Clinical examination~* PFT~* 6MWT~* MOS SF-36 Questionnaire~* HADS scale~M12: D0 + 12 months~* Blood test~* Blood gases~* Clinical examination~* CT Scan (If anomaly found at M3)~* PFT~* Pulmonary Exercise Stress Test~* 6MWT~* MOS SF-36 Questionnaire~* HADS scale~Subsequent follow-up will be performed only in patients with an alteration defined by a DLCO \<LLN and / or an abnormality objectified at CT-Scan attributable to SARS-CoV-2.~M24, M36, M48 and M60: D0 + 24, 36, 48, 60 months~* Clinical examination~* PFT~* 6MWT~* MOS SF-36 Questionnaire~* HADS scale"