Green Star Products: New Research Data Indicates 99.9% Effective Against the COVID-19 Virus SALT LAKE CITY, Utah, Dec. 22, 2020 (GLOBE NEWSWIRE) -- Green Star Products, Inc. (USOTC: GSPI) announced on December 18 th it received new data from a US Federally Accredited Laboratory stating, "In three replications at 3% and 10% concentration [of normal dosage of Viro Spectrum Shield], 100% of the cells were protected from signs of infection by the SARS-CoV-2 [COVID-19] virus, in vitro". Additionally, Viro Spectrum Shield (VSS) was specifically tested and found to be effective against the COVID...