Validation of a Human Challenge Model Using an LT-Expressing Enterotoxigenic <i>E. coli</i> Strain (LSN03-016011) and Characterization of Potential Amelioration of Disease by an Investigational Oral Vaccine Candidate (VLA1701).

Approximately twice as many placebo recipients required early antibiotic treatment compared to the vaccinees (53.3% and 26.7%, respectively); however, this difference was not significantly significant, as the study was not powered for this ( p = 0.26) ( Table 1 ).

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