The most notable oncloytic herpes variants tested in clinical trials are G207, HSV1716, NV1020 and Talimogene laherparepvec previously Oncovex-GMCSF). These oncolytic viruses were developed by The Institute of Virology, Glasgow, UK, and subsequently by Virttu Biologics (formerly Crusade Laboratories, a spin-out from The Institute of Virology) and most likey these will be your best options