Mycoplasma pneumoniaeRespiratory Tract InfectionsMycoplasmaPneumonia, MycoplasmaMycoplasma InfectionsUrinary Tract InfectionsStreptococcus pneumoniaeKlebsiella pneumoniaeAnti-Bacterial AgentsMycoplasma genitaliumMycoplasma hominisMycoplasma fermentansNasopharynxRespiratory SystemMacrolidesMycoplasma mycoidesCommunity-Acquired InfectionsChlamydophila InfectionsAntibodies, BacterialPneumonia, BacterialAdhesins, BacterialChlamydophila pneumoniaeParamyxoviridae InfectionsMycoplasma hyopneumoniaeMycoplasma gallisepticumMetapneumovirusDNA, BacterialBacterial ProteinsAcute DiseaseVirus DiseasesPneumoniaRespiratory Syncytial Virus InfectionsMycoplasma bovisPneumococcal InfectionsRespiratory Syncytial VirusesMicrobial Sensitivity TestsPolymerase Chain ReactionMoraxella (Branhamella) catarrhalisBacterial AdhesionBacterial InfectionsDrug Resistance, BacterialHuman bocavirusMycoplasma pulmonisAnti-Infective AgentsKlebsiella InfectionsPneumonia, ViralComplement Fixation TestsLungMycoplasma penetransHemadsorptionHaemophilus influenzaeCommon ColdPharynxPneumonia, PneumococcalBronchitisFluoroquinolonesMycoplasma agalactiaeTracheaRespiratory Tract DiseasesOtitis MediaSputumMolecular Sequence DataAdhesivenessMycoplasma synoviaeErythromycinInfant, NewbornAzithromycinUreaplasmaMycoplasma hyorhinisChlamydia InfectionsAcholeplasma laidlawiiBronchiolitisProspective StudiesDrug UtilizationPicornaviridae InfectionsBacteriological TechniquesPharyngitisAntigens, BacterialHaemophilus InfectionsKetolidesSeasonsRNA, Ribosomal, 23SRhinovirusVirusesGenes, BacterialTonsillitisSensitivity and SpecificityReproductive Tract InfectionsSequence Analysis, DNAAmoxicillin-Potassium Clavulanate CombinationSerologic TestsRespiratory Syncytial Virus, HumanNeisseriaceae InfectionsOfloxacinCoughPhysician's Practice PatternsMycoplasma salivariumAcholeplasmaOropharynxUreaplasma urealyticum