SETBP1 and influenza: Of note, HIV-1 infected viremic controllers and chronic non-controllers exhibited similar CD8+ T cell antigenic responses to CMV, EBV and Influenza (CEF) as well as CD8+ T cell superantigen responses to Staphylococcal Enterotoxin B (SEB) indicating that the overall CD8 T-cell function was retained among subjects in spite of different viral loads (data not shown).