Test tubes (IMAGE) Charité - Universitätsmedizin Berlin Caption The team of researchers determined the viral load for more than 25,000 COVID-19 patients. Credit © Charité | Victor Corman Usage Restrictions The image may only be used with appropriate credit and for coverage of this press release. 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.