Bryan Lewis, PhD, MPH (IMAGE) University of Virginia Health System Caption Bryan Lewis, PhD, MPH, is a computational epidemiologist at the UVA Biocomplexity Institute. Credit University of Virginia Usage Restrictions May only be used with this 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.