Inclusion Criteria:  SARS-CoV-2 infection proven by RT-PCR. Patient hospitalised for the management of SARS-CoV-2 infection and included 3 months after the end of his hospitalisation at the CHU of Limoges. Patient of legal age. Patient affiliated to a social security regime. Patient having given informed consent  Exclusion Criteria:  Known pregnancy. Patients who are contraindicated to perform the 6-minute walk test. Patients unable to understand or adhere to the protocol. Patients deprived of liberty. Patients under court order, tutorship or curatorship. Minor patients