has role immunizes against pathogen test in lab animal model Mus musculus Escherichia coli E. coli O157:H7 intimin vaccine PMID:11500434 vaccine VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=277 E. coli Int280a has been found to be a protective antigen. This subunit vaccine uses E. coli Int280a combined with adjuvant. This antigen can be used for development of type-specific EPEC or EHEC vaccine. Oliver He 277 vaccine in research role subunit vaccine role E. coli subunit vaccine