ListeriosisDisease OutbreaksListeria monocytogenesMeningitis, ListeriaFoodborne DiseasesFood MicrobiologyListeriaFood ContaminationCheeseMeat ProductsCucumis meloSerotypingElectrophoresis, Gel, Pulsed-FieldPregnancy Complications, InfectiousGastroenteritisFood Service, HospitalApium graveolensPopulation SurveillanceAbortion, SepticFood HandlingRibotypingInfectious Disease Incubation PeriodSalmonella Food PoisoningPregnancyInfant, NewbornMolecular EpidemiologyCommunicable Diseases, EmergingCitrullusBacterial Typing TechniquesDNA, BacterialCross InfectionNorovirusUnited StatesPhylogenyIncidenceSea LionsGoat DiseasesSpleenCattle DiseasesFranceCentral Nervous System Bacterial InfectionsVirulenceSequence Analysis, DNACluster AnalysisRisk FactorsWalesBacterial ProteinsHemolysin ProteinsHemolysin FactorsWater MicrobiologyInfant, Newborn, DiseasesMultilocus Sequence TypingBacteremiaMeatSwimming PoolsLiverGoatsPolymerase Chain ReactionSheep DiseasesNeglected DiseasesCentral Nervous System InfectionsCenters for Disease Control and Prevention (U.S.)SeasonsLos AngelesMolecular Sequence DataMeningoencephalitisAmpicillinMeaslesTurkeysAnti-Bacterial AgentsSan FranciscoTime FactorsFecesInfluenza, HumanBritish ColumbiaMice, Inbred C57BLPolymorphism, Restriction Fragment LengthRetrospective StudiesWater SupplyContact TracingVirulence FactorsBelgium