Penicillin ResistancePenicillinsPenicillin GAnti-Bacterial AgentsDrug Resistance, BacterialMicrobial Sensitivity TestsPenicillin VStreptococcus pneumoniaeDrug Resistance, MicrobialPneumococcal InfectionsDrug Resistance, Multiple, BacterialPenicillin G ProcainePenicillin-Binding ProteinsPenicillin AmidaseMuramoylpentapeptide CarboxypeptidasePenicillin G BenzathineHexosyltransferasesPeptidyl TransferasesDrug ResistanceNeisseria gonorrhoeaeDrug Resistance, MultiplePenicillinaseAnti-Infective AgentsSerotypingErythromycinAmpicillinBacterial Proteinsbeta-LactamasesLactamsAntimicrobial Cationic PeptidesMacrolidesTetracyclineStreptococcal InfectionsDrug Resistance, NeoplasmDNA, BacterialBacteriaStaphylococcus aureusEscherichia coliElectrophoresis, Gel, Pulsed-Fieldbeta-LactamsStaphylococcusGram-Negative BacteriaAminoacyltransferasesCefotaximeStreptococcusR FactorsBacterial InfectionsCephalosporinsOxacillinMolecular Sequence DataDisease ResistanceMutationGenes, BacterialPlasmidsNasopharynxTransformation, BacterialTetracycline ResistanceAmpicillin ResistanceMoraxella (Branhamella) catarrhalisCommunity-Acquired InfectionsPneumococcal VaccinesGram-Positive BacteriaBacteremiaCeftriaxoneVascular ResistanceCarrier ProteinsSalmonellabeta-Lactam ResistanceDrug Resistance, ViralRespiratory Tract InfectionsFluoroquinolonesCarrier StateGonorrheaEnterobacteriaceaePolymerase Chain ReactionEscherichia coli InfectionsPneumonia, PneumococcalEnterococcusCross InfectionCiprofloxacinShigellaGram-Negative Bacterial InfectionsHaemophilus influenzaeDisk Diffusion Antimicrobial TestsIntegronsTrimethoprim-Sulfamethoxazole CombinationBacterial Typing TechniquesSalmonella InfectionsCulture MediaMolecular EpidemiologySalmonella entericaSpainGentamicinsGram-Positive Bacterial InfectionsStreptomycinTransformation, GeneticFecesStaphylococcal InfectionsDNA FingerprintingPseudomonas aeruginosa