Yoonjung Lee TTUHSC.jpg (IMAGE) Texas Tech University Health Sciences Center Caption TTUHSC's Yoonjung Lee, Pharm.D., Ph.D., joined a group of researchers who developed a framework to identify pockets of COVID-19-vulnerable populations through the use of socioeconomic status and epidemiological determinants. Credit TTUHSC Usage Restrictions None 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.