Epidemiologic MethodsMolecular EpidemiologyEpidemiologyElectrophoresis, Gel, Pulsed-FieldPhylogenyGenotypeDisease OutbreaksDNA FingerprintingBacterial Typing TechniquesCluster AnalysisMolecular TypingSequence Analysis, DNADNA, BacterialMultilocus Sequence TypingPolymorphism, Restriction Fragment LengthIncidenceCameroonSerotypingPrevalenceCross InfectionGenetic VariationPolymerase Chain ReactionMinisatellite RepeatsMicrobial Sensitivity TestsRisk FactorsSEER ProgramMolecular Sequence Databeta-LactamasesAnti-Bacterial AgentsUnited StatesRibotypingCaliciviridae InfectionsGastroenteritisInfant, NewbornSeasonsSequence HomologyDrug Resistance, BacterialPopulation SurveillanceFecesStaphylococcal InfectionsDrug Resistance, Multiple, BacterialRandom Amplified Polymorphic DNA TechniqueKlebsiella InfectionsChinaItalyAge DistributionMycobacterium tuberculosisKlebsiella pneumoniaeHospitalsSpainBias (Epidemiology)TaiwanEscherichia coli InfectionsTuberculosisFranceCarrier StateEnvironmental MicrobiologyBrazilRNA, ViralNorovirusPhylogeographyDisease ReservoirsAcinetobacter InfectionsAnimals, WildArgentinaAdenovirus Infections, HumanRotavirus InfectionsCattle DiseasesEuropeAstroviridae InfectionsDNA, ProtozoanAge FactorsConfounding Factors (Epidemiology)EpidemicsIndiaDisease Transmission, InfectiousHemodialysis Units, HospitalStreptococcus pneumoniae