IL15 and neoplasm: The tumor-bearing mice were treated with PBS (mock), oHSV2 encoding IL15, IL12, PD1v, IL7, CCL19, GM-CSF, or a combination of the five different viruses (5voHSV2) on days indicated in Fig. 4A by intratumoral inoculation when the tumor mean volumes reached 100 mm3 (Fig. 4A).