$RGC News! Regencell Bioscience @RegencellBio Announces Additional EARTH Efficacy Trial Results Corroborating Effectiveness of its Investigational Liquid-Formula RGC-COV19TM in Eliminating Mild to Moderate COVID-19 Symptoms within the 6-Day Treatment Period Discussion https://www.businesswire.com/news/home/20220518005682/en/Regencell-Bioscience-Announces-Additional-EARTH-Efficacy-Trial-Results-Corroborating-Effectiveness-of-its-Investigational-Liquid-Formula-RGC-COV19TM-in-Eliminating-Mild-to-Moderate-COVID-19-Symptoms-within-the-6-Day-Treatment-Period