has role immunizes against disease immunizes against pathogen test in lab animal model brucellosis Mus musculus Brucella abortus vaccine in research role live attenuated Brucella abortus vaccine live attenuated Brucella abortus strain 2308 delta ery vaccine 2026-10-25T08:06:33Z vaccine Jie Zheng Live attenuated Brucella abortus vaccine using live attenuated mutant with deletion in ery promoter (δery mutant). Δery mutant showed significantly attenuated growth in macrophages and mice and induced high protective immunity in mice against virulent Brucella abortus 2308 infection. Induced anti-brucella-specific igg response. Brucella abortus 2308 Δery live vaccine VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=12220 PMID:24994009 VaxAgent 12220 live attenuated vaccine role