Analyzing cerebrospinal fluid (IMAGE) University of Basel Caption Study first author Manina Etter analyzing cerebrospinal fluid from Covid-19 patients in the BSL2 lab. Credit Caroline Eich, University of Basel Usage Restrictions Only to be used in reporting on the related press release. License Original 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.