To this end, we inoculated purified CD19+ TBCs with EBV-B95.8, produced in the marmoset B95.8 cell line exposed to 12-O-tetradecanoylphorbol-13-acetate (TPA), at a multiplicity of infection (MOI) of 8, and stained the TBCs with the proliferation dye CFSE. Here, CD19 is linked to infection.