Inclusion Criteria:  Being a health worker over the age of 18 (for both control group) Having had SARS-CoV-2 (Covid 19) disease in the last 1 month and completed the isolation process Volunteer to participate in the study, being discharged from the hospital and completing the isolation process at home (The first assessment will be made within the 1st month after the patient's Covid 19 positivity is detected; control will be made three times in the 2nd, 4th and 6th months) Being able to walk or sit and stand without any help Speaking and understand the Turkish language.  Exclusion Criteria:*For both study and control group  Neurological or musculoskeletal disease that causes gait impairment Cognitive impairment Having unstable cardiac, respiratory and metabolic disease