IFNG and infection: For the IE-1 epitopes VLE/A*0201 and CRV/C*0702, our earlier experiments with AD169 derivatives were confirmed: presentation of the VLE/A*0201 epitope was strongly suppressed after TB40-BAC4 infection although only US11 was present, whereas CRV/C*0702 presentation was present, and was fully unimpaired in IFN-γ-pretreated cells.