Salmonella InfectionsSalmonella typhimuriumSalmonella Food PoisoningSalmonellaSalmonella Infections, AnimalSalmonella entericaSalmonella enteritidisSerotypingBacteriophage TypingEggsFood MicrobiologyDisease OutbreaksSalmonella PhagesElectrophoresis, Gel, Pulsed-FieldFood HandlingBacterial ProteinsSalmonella typhiCecumDNA, BacterialTyphoid FeverBacterial Typing TechniquesDNA FingerprintingFecesFood ContaminationRestaurantsDistrict of ColumbiaDrug Resistance, Multiple, BacterialGenes, BacterialVirulenceFoodborne DiseasesSalmonella VaccinesIntegronsAnti-Bacterial AgentsDrug Resistance, MultiplePetroselinumMicrobial Sensitivity TestsFimbriae, BacterialDrug Resistance, MicrobialSalmonella paratyphi AMolecular Sequence DataMutationPeyer's PatchesCluster AnalysisCattleCattle DiseasesPlasmidsOperonUnited StatesMice, Inbred CBAAmpicillin ResistanceNalidixic AcidSpainAntigens, BacterialDNA Transposable ElementsSequence Analysis, DNADrug Resistance, BacterialChickensFimbriae ProteinsGastroenteritisSwineVirulence FactorsMutagenesis, InsertionalEscherichia coliIntestinal MucosaGene Expression Regulation, BacterialBase SequenceMolecular EpidemiologyMice, Inbred BALB CSalmonella arizonaePolymerase Chain ReactionIleumGenomic IslandsCase-Control StudiesO AntigensPhenotypePoultry DiseasesAntibodies, BacterialSalmonella paratyphi BMutagenicity TestsPolysaccharides, BacterialFlagellinTransduction, GeneticBacterial VaccinesFlagellaSwine DiseasesStreptococcus pneumoniaeMutagensVaccines, AttenuatedCulture Media