- Acute COVID-19 disease- Patients with marked pulmonary fibrosis or other structural lung changes with functional impact after COVID-19 disease.- Chronic pulmonary disease prior to COVID-19 (asthma, CORD etc.)- Pre-existing or COVID-19 neurological disease with impact on respiratory function- Patients ventilated in the acute situation with abnormal laryngoscopic findings- Acute laryngitis

- Acute COVID-19 disease- Patients with marked pulmonary fibrosis or other structural lung changes with functional impact after COVID-19 disease.- Chronic pulmonary disease prior to COVID-19 (asthma, CORD etc.)- Pre-existing or COVID-19 neurological disease with impact on respiratory function- Patients ventilated in the acute situation with abnormal laryngoscopic findings- Acute laryngitis