Regencell Bioscience s Investigational Liquid-Formula RGC-COV19TM Shows Effectiveness Through Its Enrolled Patients in Eliminating Mild to Moderate COVID-19 Symptoms within the 6-day Treatment Period in its EARTH Efficacy Trial | Press Releases leta.lv - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from leta.lv Daily Mail and Mail on Sunday newspapers.