Sona Nanotech Inc. announced that it is discontinuing its previously announced clinical trial of its COVID-19 rapid, antigen saliva test after a review of the interim results data, due to inadequate test sensitivity with clinical saliva samples and challenges with patient recruitment and enrollment into the study, as local prevalence of the virus has diminished significantly. The study was designed to evaluate the ability to detect the COVID-19 virus in saliva samples using a novel collection device and a rapid antigen test cassette. The Company plans to focus its research strategy on continuing with its other rapid test development programs and research on its proprietary gold nanorod production technology.