Cost-effective Oxygen Concentrators (VIDEO) ETH Zurich This video is under embargo. Please login to access this video. Caption People suffering from COVID-19 need air enriched with oxygen, as the Sars-CoV-2 coronavirus attacks the lungs. Presenting new ideas and prototypes for oxygen concentrators, researchers at ETH Zurich hope to avoid a worldwide oxygen shortage that could threaten humankind as a result of the pandemic. Credit ETH Zurich Usage Restrictions For non-commercial use in reporting. Video footage without subtitles and music also available. 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.