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 mutant vaccine vaccine Rebecca Racz VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=3154 A virG, senA, and senB mutant (WRSs2) is attenuated in guinea pigs and induced significant protection from challenge with wild type S. sonnei. Attenuation and protection from WRSs2 is comparable to live attenuated vaccine strain WRSS1 Oliver He 3154