Screenshot of the web application (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption The Retirement Home Testing Optimizer is the third web app from Where2Test. The apps provide support for various aspects related to SARS-CoV-2 testing. Credit CASUS/M. Bajda Usage Restrictions CC BY-NC-ND 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.