3COVID-19Increased: Non B/T CellsDecreased: B cell and CD3+ T cellRecovered DonorsHealthy Donors31Increased: CD4- T cell, CD8-”EMRA” circulating follicular helper cells Decreased: CD8- T cells and PBs2Increased: CD4+ T cells, Tbet+ effector CD4- and CD8+ T cells, proliferating memory B cells3 - close to HD. This evidence concerns the gene CD8A and Huntington disease.