George Mason University Saliva test 3 (IMAGE) George Mason University Caption Benefits of COVID-19 saliva-based surveillance testing at George Mason University Credit Copyright: George Mason University 2021 Usage Restrictions Include credit with graphic License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.