has role immunizes against disease immunizes against pathogen test in lab animal model brucellosis Mus musculus Brucella melitensis vaccine in research role live attenuated Brucella melitensis vaccine live attenuated Brucella melitensis asp24 deletion vaccine 2026-10-25T08:06:33Z vaccine 12111 Live attenuated Brucella melitensis vaccine using live attenuated unmarked deletion mutant of asp24 gene. Deltaasp24 mutants showed superior protection compared to current vaccine strains and other deletion mutants (deltamanba and deltavirb2) against homologous and heterologous challenge infections. No direct association between protection and cytokine response was apparent. Jie Zheng VaxAgent VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=12111 PMID:16790778 live attenuated vaccine role