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Vaccination of badgers with BCG and challenged 13 weeks later with endobronchial M. bovis: Proportion of each treatment group positive in the Brock TB Stat-Pak serological test after challenge with M. bovis from experiments VES3 (A) and VES4 (B). Badgers were vaccinated with either CB-BCG (■), HD BCG-Liporale™ (▲) or LD BCG-Liporale™ vaccine (▼). Liporale™ alone was used as a negative control for vaccination (•).
