$RGC 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 https://finance.yahoo.com/news/regencell-bioscience-announces-additional-earth-120500852.html