Patients will be eligible for inclusion if they fulfil all the following criteria:  Patients aged ≥ 18 years. Confirmed diagnosis of SARS-Cov-2 infection by nasal swab, other viral sample (i.e. sputum, bronchoalveolar lavage) or Chest imaging suggestive of SARS-CoV-2 pneumonia (Chest X-ray or CT-scan). Requirement for oxygen supplementation. Persistent respiratory symptoms (i.e. dyspnoea, cough) or asthenia. Abnormal 6MWT at 3 months (distance < 90% predicted or desaturation ≥ 3% or Borg >5) and/or abnormal lung function as described by the international recommendations  Patients will be excluded if they:  Already had existing severe and symptomatic pulmonary condition before COVID-19 pneumonia Are unable to execute the different tests and surveys because of cognitive or physical limitations. Are already included in a structured rehabilitation program Have comorbidities with a life expectancy of less than 12 months. Any relevant acute medical disorder/acute disease state judged by the investigators as likely to represent a risk for the patient to fulfil a rehabilitation program or requiring urgent investigations.