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 ileum.

However, the results of the present study do not suggest an overall significant increase in mucosal persistence of BCG when molten lipids are added, although some evidence of better pulmonary drainage to the thoracic lymph nodes were obtained which may be significant for inducing local pulmonary protection [ 18 ].

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