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. 2020 Jun 26;5(48):eabd2071. doi: 10.1126/sciimmunol.abd2071

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Fig. 7 — (A, B, C) Representative activation plots showing CD69 and CD137 up-regulation from a non-responder HC (A), cross-reactive HC (B) and reactive COVID-19 sample (C). Each panel shows activation after stimulation with DMSO (negative control) or MP_S. Top row shows CD4⁺ T cell responses, bottom row shows CD8⁺ T cell responses. Percentages indicate activated CD69⁺CD137⁺ cells as a fraction of either CD4⁺ or CD8⁺ T cells.