ImmunityBio and NantKwest Announce FDA Authorization to Study hAd5 T-Cell COVID-19 Vaccine for Combination of Subcutaneous, Oral and Sublingual Boost to Induce T-Cell, Mucosal, and Antibody Immunity

CULVER CITY, Calif.–(BUSINESS WIRE)–ImmunityBio, Inc., a privately-held immunotherapy company, and NantKwest, Inc. (NASDAQ: NK), a clinical-stage, natural killer cell-based therapeutics company, today announced they have received FDA authorization to expand Phase I testing of a bivalent hAd5 T-cell COVID-19 vaccine. The FDA authorized the expansion of a currently active multi-cohort trial of the subcutaneous version of the vaccine in order to study the addition of sublingual boosts. The FDA a