This study explored the efficacy of oxygen-ozone autohemotherapy (O2-O3-AHT) for treating fatigue in patients suffering from post-acute sequelae of SARS-CoV2 (PASC), also known as long COVID. The trial involved 100 patients and found that O2-O3-AHT resulted in a 67% reduction in fatigue, with 40% of patients experiencing complete recovery. The
