For example, Cook et al. [97] reported regression of lymphatic lesions in patients with relapsed refractory T-cell lymphoma following a single dose treatment with VSV- IFNβ-NIS (NCT03017820), establishing the safety of the IFNβ sodium symporter strain and its association with tumor regression. The gene discussed is IFNB1; the disease is T-cell non-Hodgkin lymphoma.