Martha Lappas2 articles listing Martha Lappas in PNAS, indexed by Paperzzz from Crossref and OSF.HLA-B*15:01-positive severe COVID-19 patients lack CD8 + T cell pools with highly expanded public clonotypes PNASCentral memory T cells with key TCR repertoires and gene expression profiles dominate influenza CD8+ T cell pools across the human lifespan PNAS