Fig. 4From: Detection of live M. bovis BCG in tissues and IFN-γ responses in European badgers (Meles meles) vaccinated by oropharyngeal instillation or directly in the ileumELISPOT responses before and after vaccination. Measured as Net Spot Forming Units (per million cells) before vaccination and 8 weeks after vaccination for groups A (circles) and B (squares), in response to the antigens bovine tuberculin (PPD-B) and avian tuberculin (PPD-A)Back to article page