IFNG and infection: IFN-γ-producing T-cells responding to the gB496–503 peptide as detected by ELISPOT were generally present in similar relative amounts in spleen, draining lymph nodes, vagina, and spinal cord over the first 9 days after infection with either HSV-2/gD or HSV-2/gD-Δ7-15 (Fig. 5, left column).