ImmunityBio, NantKwest announce positive interim phase 1 safety data of hAd5 Covid-19 vaccine dose study

ImmunityBio, a privately-held immunotherapy company, and NantKwest, a clinical-stage, natural killer cell-based therapeutics company, today announced they have administered their second-generation bivalent, human adenovirus (hAd5) Covid-19 vaccine candidate in a Phase 1 trial with no serious adverse events (SAE) reported in the low dose cohort, safety is ongoing for the high dose cohort.