As for the latter, GRTS is working on additional viral vectors and also further engineering them to co-express certain checkpoint inhibitors, T-cell co-stim agonists, and/or cytokines.
Yet you still think MRK is interesting in NWBO's platform, despite the ORR for Direct being zero and an (still) unexplained FDA hold, buried IAs and the SAP change for -L, which should say it all!