BioThreats - CityCOVID Data (IMAGE) DOE/Argonne National Laboratory Caption Occupancy of synthetic software agents at selected places in the Chicagoland area at a specific time of day generated by CityCOVID. Occupancy data is used to determine agent contacts resulting in possible disease spread. Credit (Image by Argonne National Laboratory.) Usage Restrictions Original content 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.