has role immunizes against disease immunizes recipient immunizes against pathogen test in lab animal model brucellosis Mus musculus Cavia porcellus Brucella melitensis Ovis aries vaccine in research role live attenuated Brucella melitensis vaccine sheep vaccine live attenuated Brucella melitensis strain RM57 vaccine 2026-10-25T08:06:33Z 12296 VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=12296 Jie Zheng PMID:28390976 vaccine VaxAgent Live attenuated Brucella melitensis vaccine using rough mutant strain RM57 with altered LPS. Rm57 was attenuated and conferred good protection against virulent Brucella melitensis challenge, especially in the guinea pig model. live attenuated vaccine role