Nadia Roan's Lab (IMAGE) Gladstone Institutes Caption Guorui Xie, Nadia Roan, Xiaoyu Luo, Jason Neidleman, and Julie Frouard discovered long-lived T cells against SARS-CoV-2 in the blood of convalescent COVID-19 patients. Credit Gladstone Institutes 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.