Enterobacter cloacaeEnterobacterCross InfectionEnterobacteriaceae InfectionsEnterobacteriaceaeEnterobacter aerogenesCloacabeta-LactamasesAnti-Bacterial AgentsMicrobial Sensitivity TestsGram-Negative BacteriaCephalosporinsbeta-LactamsCronobacter sakazakiiKlebsiella pneumoniaeDrug Resistance, MicrobialKlebsiellaCephalosporinaseInfection ControlIntensive Care UnitsGram-Negative Bacterial InfectionsDrug Resistance, BacterialSerratia InfectionsDNA, BacterialDrug Resistance, Multiple, BacterialBacteriaCitrobacter freundiiSerratia marcescensBacteremiaCephalosporin ResistanceAcinetobacter InfectionsElectrophoresis, Gel, Pulsed-FieldCeftazidimebeta-Lactam ResistanceDisease OutbreaksImipenemGram-Positive BacteriaBacterial ProteinsIntensive Care Units, NeonatalBacterial InfectionsCarbapenemsPythiumAcinetobacterAcinetobacter baumanniiPneumonia, Ventilator-AssociatedPlasmidsBacterial Typing TechniquesGram-Positive Bacterial InfectionsSerratiaPseudomonas aeruginosaPenicillanic AcidKlebsiella InfectionsCitrobacterInfectious Disease Transmission, Professional-to-PatientCefotaximeHospitalsGenes, BacterialHospitals, UniversityStaphylococcal InfectionsEscherichia coliSurgical Wound InfectionSequence Analysis, DNAEscherichiaMolecular Sequence DataAnti-Infective AgentsStaphylococcus aureusNitroreductasesFomitesEquipment ContaminationPiperacillinUrinary Tract InfectionsThienamycinsSepsisPolymerase Chain ReactionQuinolonesColony Count, MicrobialIntegronsPseudomonas InfectionsCefoperazoneConjugation, GeneticCeftizoximeIntensive Care Units, PediatricLactamsDNA FingerprintingCiprofloxacinAztreonamInfant, NewbornUrinary CatheterizationNurseries, HospitalKlebsiella oxytocaProteusMonobactamsEnterococcusMolecular TypingEnterococcus faecalisCefoxitinCucumis sativusAmikacinIsoelectric FocusingMethicillin Resistance