CarbapenemsAcinetobacter baumanniiAcinetobacter Infectionsbeta-Lactam ResistanceAnti-Bacterial AgentsMicrobial Sensitivity Testsbeta-LactamasesDrug Resistance, MicrobialDrug Resistance, Bacterialbeta-LactamsLactamsDipeptidasesPseudomonas aeruginosaBacterial ProteinsKlebsiella pneumoniaeAcinetobacterCilastatinDrug Resistance, Multiple, BacterialEnterobacteriaceaeGram-Negative BacteriaPenicillin ResistanceEscherichia coliSequence Analysis, DNAKlebsiella InfectionsMutationDNA, BacterialGram-Positive BacteriaPectobacterium carotovorumPseudomonas InfectionsPenicillin-Binding ProteinsGenes, BacterialPenicillinsSpecies SpecificityPorinsMuramoylpentapeptide CarboxypeptidaseCross InfectionDrug ResistancePeptidyl TransferasesHexosyltransferasesEnterobacteriaceae InfectionsGram-Negative Bacterial InfectionsPolymerase Chain ReactionStaphylococcus aureusMolecular Sequence DataElectrophoresis, Gel, Pulsed-FieldAnti-Infective AgentsBacteriaPlasmidsBacterial Typing TechniquesMice, Inbred StrainsCulture MediaDrug Resistance, MultipleBacteremiaCephalosporinsStreptococcus pneumoniaeInsecticide ResistanceErythromycinPhenotypePiperacillinStreptomycinBacterial Outer Membrane ProteinsDNA FingerprintingTetracyclineGenotypeBacterial InfectionsCeftazidimePenicillanic AcidFluoroquinolonesMetronidazoleAmino Acid SequenceDNA Transposable ElementsBacteroides fragilisVancomycinSerratiaVirulenceCefotaximeRNA, Ribosomal, 16SBacteria, AnaerobicColony Count, MicrobialMolecular EpidemiologyStaphylococcusAmpicillinCarbon-Carbon LyasesAntitubercular AgentsMethicillin ResistanceSerotypingCiprofloxacinMycobacterium tuberculosisGene Expression Regulation, BacterialEscherichia coli InfectionsDisease OutbreaksHospitalsDNA, RibosomalRifampinChloramphenicolGram-Positive Bacterial InfectionsMacrolidesBase SequenceSerratia marcescensR Factors