AMMENDOLA/SALMONELLA ENTERICA STRAINS OF REDUCED PATHOGENICITY, METHOD FOR THEIR PREPARATION AND USES THEREOF

摘要

The invention concerns novel Salmonella enterica attenuated strains, characterized in that they are inactivated at the level of the znuABC operon through mutation in at least one of the znuA, znuB, znuC genes of such operon, for uses in medical or veterinary fields as vaccines.