Overview A Clinical Challenge Study of BCG in Healthy Volunteers Status: Completed Trial end date: 2015-01-01 Target enrollment: Participant gender: Summary TB031 is a challenge study comparing two different strains of the Bacille Calmette-Guérin (BCG) vaccine at standard and high dose. Phase: N/A Details Lead Sponsor: University of OxfordCollaborators: AerasUniversity of BirminghamTreatments: BCG Vaccine