Penicillin ResistancePenicillinsPenicillin GAnti-Bacterial AgentsDrug Resistance, MicrobialStreptococcus pneumoniaeMicrobial Sensitivity TestsDrug Resistance, BacterialPenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug Resistance, Multiple, BacterialHexosyltransferasesPeptidyl TransferasesPenicillin G ProcainePenicillinaseMacrolidesPenicillin AmidaseBacterial InfectionsNeisseria gonorrhoeaeBacteriaEnterobacteriaceaeDrug ResistanceCross InfectionPenicillin G BenzathineLactamsDrug Resistance, MultipleStaphylococcus aureusSerotypingCommunity-Acquired InfectionsTrimethoprimAminoacyltransferasesBacterial ProteinsGentamicinsAnti-Infective AgentsErythromycinInfection Controlbeta-LactamasesStreptococcal InfectionsAmpicillinTransformation, BacterialUrinary Tract InfectionsGram-Negative BacteriaStaphylococcal InfectionsTetracyclineEscherichia coliCefotaximeDrug Resistance, NeoplasmCarrier ProteinsOxacillinNasopharynxPseudomonas aeruginosaMolecular Sequence DataPneumococcal VaccinesStreptococcusDNA, Bacterialbeta-LactamsMutationStaphylococcusTransformation, GeneticMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalR FactorsFecesGenes, BacterialDisease ResistanceCarrier StateElectrophoresis, Gel, Pulsed-FieldCulture MediaPlasmidsRespiratory Tract InfectionsNeisseria meningitidisDrug Resistance, ViralVascular ResistanceHaemophilus influenzaeBacteremiaSpainBase SequencePolymerase Chain ReactionAmino Acid SequenceCephalosporinsDNA FingerprintingMolecular EpidemiologyBacterial Typing TechniquesTetracycline ResistanceTreatment OutcomeStreptomycinbeta-Lactam ResistanceSequence Analysis, DNAPhenotypePlant DiseasesAmpicillin ResistanceGonorrheaSpectinomycinCeftriaxoneCloxacillinDrug Resistance, FungalPopulation SurveillancePrevalence