IL7 and melanoma: In the B16-F10 melanoma model, viral co-expression of IL-7 plus IL-12 (hIL7/mIL12-VV), instead of using two separate viruses (hIL7-VV plus mIL12-VV), resulted in a complete response in 75% (6/8) animals compared to 25% (2/8) in the cont-VV control group [30].