has role immunizes against disease immunizes against pathogen brucellosis Brucella melitensis vaccine in research role live attenuated Brucella melitensis vaccine live attenuated Brucella melitensis purE deletion mutant vaccine 2026-10-25T08:06:33Z Live attenuated Brucella melitensis vaccine using genetic deletion mutant (deltapure201) of Brucella melitensis strain 16M. Pure mutant was cleared from visceral tissues by PID 84, with no bacteria detected in mammary lymph nodes or spleen at necropsy. Serum antibody titers peaked at PID 14. Jie Zheng PMID:8698463 vaccine 12025 VaxAgent VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=12025 live attenuated vaccine role