Video (VIDEO) National University of Singapore This video is under embargo. Please login to access this video. Caption A team from the National University of Singapore and the National University Hospital has developed a reusable protective barrier which lowers the risk of frontline healthcare workers being exposed to COVID-19 via droplets and aerosols when they look after patients. Credit National University of Singapore Usage Restrictions None 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.