CD8A and infection: We compared the CD8 T-cell responses to wild-type (WT) mCMV (mCMV-WT), the M36 gene deletion mutant mCMV-ΔM36, and the corresponding revertant virus mCMV-ΔM36-Rev in the PLN of BALB/c (MHC haplotype H-2d) mice on day 7 after intra-plantar infection (Fig 2B, left panel).