inclusion criteria: * 18 years of age or older and who received / will receive treatment with the diagnosis of covid 19 and completed 2 months after the diagnosis of covid 19 * patients who applied to the pulmonary diseases outpatient clinic with complaints of dyspnea * fev1 / fvc \<80%, fvc \<80%, fev1 \<80%, fef25-75\> 50% and / or patients with respiratory distress in daily living activities

inclusion criteria: * 18 years of age or older and who received / will receive treatment with the diagnosis of covid 19 and completed 2 months after the diagnosis of covid 19 * patients who applied to the pulmonary diseases outpatient clinic with complaints of dyspnea * fev1 / fvc \<80%, fvc \<80%, fev1 \<80%, fef25-75\> 50% and / or patients with respiratory distress in daily living activities

inclusion criteria: - 18 years of age or older and who received / will receive treatment with the diagnosis of covid 19 and completed 2 months after the diagnosis of covid 19 - patients who applied to the pulmonary diseases outpatient clinic with complaints of dyspnea - fev1 / fvc <80%, fvc <80%, fev1 <80%, fef25-75> 50% and / or patients with respiratory distress in daily living activities

inclusion criteria: - 18 years of age or older and who received / will receive treatment with the diagnosis of covid 19 and completed 2 months after the diagnosis of covid 19 - patients who applied to the pulmonary diseases outpatient clinic with complaints of dyspnea - fev1 / fvc <80%, fvc <80%, fev1 <80%, fef25-75> 50% and / or patients with respiratory distress in daily living activities