has role immunizes against pathogen test in lab animal model Mus musculus Escherichia coli vaccine in research role recombinant E. coli mutant vaccine E. coli rfaL mutant vaccine Rebecca Racz Deletion of waaL results in a strain that stimulates enhanced urothelial cytokine secretion, which is an enhanced innate immune response. Inoculation with the vaccine strain protected mice against challenge with a broad range of clinical uropathogenic E. coli isolates and produced immunity that lasted >= 8 weeks. VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=3279 3279 vaccine Oliver He Escherichia coli rfaL mutant vaccine live attenuated vaccine role