[Evaluation of the vaccine potentiality of 2 strains from Leptospira interrogans serogroup Ballum]. / Evaluación de la potencialidad vacunal de 2 cepas de Leptospira interrogans serogrupo Ballum.

Two vacine candidate strains from Ballum serogroup were characterized and their immunogenicity and protective power were studied in hamster. The monovalent vaccine formulations obtained showed a high immunogenicity and capacity of homologous protection and, in a lesser degree, of cross protection.