has role immunizes against pathogen test in lab animal model Cavia porcellus Shigella sonnei vaccine in research role Shigella sonnei vaccine Shigella sonnei virG/senA/senB/msbB2 mutant vaccine Oliver He vaccine A virG, senA, senB, and msbB2 mutant (WRSs3) is attenuated in guinea pigs and induced significant protection from challenge with wild type S. sonnei. Attenuation and protection from WRSs3 is comparable to live attenuated vaccine strain WRSS1 3153 Rebecca Racz VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=3153