Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsPneumoniaPneumonia, PneumococcalKlebsiella pneumoniaeStreptococcus pyogenesPneumonia, BacterialStreptococcus mutansAnti-Bacterial AgentsMycoplasma pneumoniaeMicrobial Sensitivity TestsStreptococcal InfectionsStreptococcus agalactiaeBacterial ProteinsPenicillin ResistanceNasopharynxStreptolysinsSerotypingMeningitis, PneumococcalDrug Resistance, BacterialPneumonia, ViralPenicillinsStreptococcus mitisPneumococcal VaccinesAnti-Infective AgentsPneumonia, MycoplasmaBacterial CapsulesErythromycinDrug Resistance, MicrobialFluoroquinolonesMacrolidesStreptococcus oralisDNA, BacterialStreptococcus suisCommunity-Acquired InfectionsStreptococcus PhagesHaemophilus influenzaeOtitis MediaN-Acetylmuramoyl-L-alanine AmidaseKlebsiella InfectionsCryptogenic Organizing PneumoniaStreptococcus bovisAntibodies, BacterialCefotaximeCeftriaxoneGenes, BacterialKetolidesMolecular Sequence DataCephalosporinsTransformation, BacterialLevofloxacinBacteremiaStreptococcus equiPneumonia, PneumocystisGram-Positive BacteriaCarrier StatePenicillin-Binding ProteinsPolysaccharides, BacterialOfloxacinPneumonia, StaphylococcalMoraxella (Branhamella) catarrhalisBacteriaRespiratory Tract InfectionsDrug Resistance, Multiple, BacterialColony Count, MicrobialNaphthyridinesDNA Topoisomerase IVAntigens, BacterialStreptococcus sobrinusMeningitis, BacterialAminoacyltransferasesVirulenceAntibiotic ProphylaxisGene Expression Regulation, BacterialVaccines, ConjugateCiprofloxacinBacterial InfectionsAza CompoundsBacterial AdhesionPneumonia, Ventilator-AssociatedChlamydophila InfectionsStreptococcal VaccinesPolymerase Chain Reactionbeta-LactamsCulture MediaSequence Analysis, DNAAzithromycinStaphylococcus aureusStreptococcus gordoniiBacterial Typing TechniquesGram-Negative BacteriaPeptidyl TransferasesEnterococcus faecalisHexosyltransferasesLungHaemophilus InfectionsDNA GyraseQuinolonesMuramoylpentapeptide Carboxypeptidase