Phase I Clinical Trial of Vaxinia Oncolytic Virus; “the holy grail of cancer therapeutics”?By Paul Everson / June 3, 2022 CF33-hNIS, a modified vaccinia (small pox) virus will be tested by IV or Intratumoral injection, with or without PD-1 inhibitor, pembrolizumab in patients with advanced or metastaic solid tumors. Link to Medical News Today Article Link to Clinical Trial Link to a Background article Ancell human PD-1 related Research Products CD279(PD-1) CD274 (PD-L1) CD273 (PD-L2)