Masking up (IMAGE) DOE/Sandia National Laboratories Caption A simulation prepared by Sandia National Laboratories researchers showing how a face mask stops virus-laden vapor expelled during a cough. Credit Graphic by Sandia National Laboratories Usage Restrictions With credit 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.