Overview Pertussis Challenge Study in Adults Vaccinated With BPZE1 Status: Recruiting Trial end date: 2023-06-01 Target enrollment: Participant gender: Summary This is a randomised, double-blinded, placebo-controlled trial of BPZE1 that includes virulent B. pertussis challenge followed by a safety follow-up. Phase: Phase 2 Details Lead Sponsor: ILiAD BiotechnologiesTreatments: Azithromycin