As the CD4+ T cell-specific immunodominant LCMVgp61-80 epitope contains a cryptic epitope recognized by CD8+ T cells [68], we analyzed CD8+CD44+ T cells at 8 and 42 days after influenza challenge for IFNγ expression following LCMVgp61-80 peptide restimulation. Here, CD8A is linked to influenza.