Safety, Reactogenicity, Tolerability, Immunogenicity and Efficacy of Live Attenuated ETEC ACE527 Vaccine Administered Alone or With a Double Mutant E. Coli Heat Labile Toxin (dmLT) in Healthy Adult Volunteers is a PHASE1 clinical asset sponsored by PATH in Diarrhea. SEO and diligence focus: ACE527, dmLT, CeraVacx placebo, H10407 challenge strain, endpoint relevance, enrollment feasibility, competitive positioning, readout timing and IP durability.