The aim of the first study is to investigate how often a long Covid syndrome occurs after an inpatient rehabilitation due to previous hospitalization because of after acute Covid and whether there might be a connection with the severity during acute illness. 3 clusters of acute cases have been identified to be studied with regard to the long-term symptoms

1. Mild course (medication, oxygen)
2. Moderate course (IPS-IMC with NIV but without intubation)
3. Severe course (intubation)

The aim of the second study is to use a catamnestic survey and subsequent evaluation of the information to gain an insight into the existing functional deficits relevant to everyday life and restriction of the ability to participate in the workplace after rehabilitation treatment. The assessment of functional deficits is carried out in relation to:

1. Deficits in everyday skills (ADLs)
2. Restrictions in the ability to participate in the profession.

All patients who had been infected with Walenstadtberg after acute Covid infection were included.

Patients were hospitalized for inpatient rehabilitation in the period from 01.04.2020 to 30.06.2022.

A written follow-up survey was carried out with regard to a possible persistent long Covid symptoms and possible persistent deficits in everyday skills and Restrictions in the ability to participate in the profession. There are 2 cohort studies.

Inclusion Criteria:

• >18 years of age
• treated at a rehabilitation facility after being hospitilized for covid-19 infection
• complete questionnaire
• written consent to use collected data

Exclusion Criteria:

• < 18 years
• incomplete questionnaire

Men and Women over 18 years of age who have been treated at Rehazentrum Walenstadtberg after being hospitilized primarily because of an acute Covid-19 infection