Sample from a nasal swab (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Dr David Kaiser holding a sample from a nasal swab, which is analyzed for specific biomarkers using the developed sensor. Credit Jens Meyer/University Jena Usage Restrictions none 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.