MeVac-VLQSQRTD and MeVac-SGKALVLQSQRTD infection of U-87 MG resulted in significantly increased Annexin V staining when combined with 8-VHVL and 8-VLVH CAR-T cells (Figure 4F); however, CD19 CAR-T cells did not cause increased cytotoxicity. Here, CD19 is linked to infection.