The successful rehabilitation of a 75-year-old female with debilitating long COVID: A case report.

A 75-year-old previously healthy female became severely ill, functionally dependent, and required long-term home oxygen therapy, after recovery from coronavirus disease 2019 (COVID-19) with acute respiratory failure and extensive pulmonary fibrosis. After two months of respiratory muscle training and a comprehensive cardiopulmonary rehabilitation program, her dyspnea, physical performance, pulmonary function parameters, and activities of daily living rapidly improved. This Case highlights the importance of a timely active rehabilitation program for COVID-19 survivors experiencing the long-term effects of coronavirus (long COVID).