CD8A and infection: In contrast to infection with S. Typhimurium ΔRibD/H, CpG combo treatment together with 5-OP-RU or 5-A-RU+MG, yielded distinct coreceptor expression patterns by MAIT cells in both organs, involving a higher proportion of CD8+ MAIT cells compared to the 5-A-RU treatment groups or naïve mice (Supplementary Figure 3B).