immunizes against disease immunizes against pathogen anthrax disease Bacillus anthracis Bacillus anthracis vaccine Bacillus anthracis mntA deletion mutant vaccine vaccine VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=3115 Oliver He An mntA deletion mutant, generated by allelic replacement, in Bacillus anthracis was attenuated and provided protection for guinea pigs against lethal spore dose (60 LD50) of the virulent B. anthracis Vollum strain Rebecca Racz 3115