has role immunizes against disease immunizes recipient immunizes against pathogen test in lab animal model brucellosis Mus musculus Brucella melitensis Bos taurus vaccine in research role live attenuated Brucella melitensis vaccine cattle vaccine live attenuated Brucella melitensis strain Rev. 1 wzm deletion vaccine 2026-10-25T08:06:33Z 12430 Jie Zheng vaccine VaxAgent Live attenuated Brucella melitensis vaccine using live attenuated Brucella melitensis strain Rev. 1 with wzm gene deletion. Rev1δwzm mutant was highly attenuated yet immunogenic and effective as a vaccine against Brucella melitensis and Brucella ovis in mice. Rev1δwzm induced protective immunity without causing infection in mouse placentas and was safe in pregnant ewes, with minimal serological interference in sheep. PMID:35875565 VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=12430 live attenuated vaccine role