Infection with SARS-CoV-2 virus leads to persistent symptoms for more than 12 weeks in15% of cases ("post-COVID syndrome"). Symptoms like fatigue, dyspnoea, limitations inphysical performance and activities, head ache, anxiety symptoms, and depression areheterogenous which limit physical health and participation in daily life activities.In the last years, multidisciplinary rehabilitation programs showed benefits in qualityof life and symptom intensity in patients with post-COVID. Therefore, rehabilitationprograms are recommended for individuals with Post-COVID by official sites like theGerman Society of Pulmonology and the European Respiratory Society.Own first data (published at the ERS conference 2023) revealed that one the one hand,inpatient rehabilitation is effective, however, on the other hand, it is challenging tomaintain these effects after completing the program. Therefore, the aim of this study isto sustain these benefits by using a digital maintenance program following therehabilitation program compared to usual care.