has role immunizes against pathogen test in lab animal model Cavia porcellus Shigella dysenteriae Platyrrhini vaccine in research role Shigella dysenteriae 1 strain WRSd1 vaccine An aroA and virG mutant (CVD 1203) is attenuated in guinea pigs, as shown by the Sereny test. Guinea pigs inoculated with CVD 1203 were also protected from challenge with wild type S. flexneri S. dysenteriae 1 strain WRSd1 PMID:12010984 Oliver He 263 Rebecca Racz VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=263 vaccine Shigella dysenteriae vaccine