Persistent Cytolytic CD8 T Cells Recognize SARS-CoV-2 and Herpesvirus Epitopes in Long COVID

Leveraging combinatorial tetramers, scientists profiled CD8+ T cells specific for SARS-CoV-2, as well as those for cytomegalovirus and Epstein-Barr virus, herpesviruses implicated in COVID-19 pathogenesis.