IL24 and liver cancer: To determine whether VV‐IL‐24 (4 MOI) and luteolin (5 μg/ml) decreased cell viability more than VV‐IL‐24 (4 MOI) or luteolin (5 μg/ml) alone, the liver cancer and control cells were infected for 24 h, 48 h, 72 h, 96 h.