CD4 and Kaposi's sarcoma: These results align with two studies, although lacking information about antigen-specificity, reporting enrichment of CD4+ effector memory T cells in the bronchoalveolar lavage of pulmonary KS patients and reporting a transcriptomic profile of central memory T cells including a prominent cytotoxic population of putative KSHV-specific CD4+ T cells in PBMCs of KS patients76,77.