Respiratory Tract InfectionsUrinary Tract InfectionsAnti-Bacterial AgentsRespiratory SystemParamyxoviridae InfectionsMetapneumovirusRespiratory Syncytial Virus InfectionsNasopharynxHuman bocavirusRespiratory Syncytial VirusesMoraxella (Branhamella) catarrhalisCommon ColdVirus DiseasesAcute DiseaseBronchitisCommunity-Acquired InfectionsRespiratory Tract DiseasesBacterial InfectionsHaemophilus influenzaePneumoniaBronchiolitisStreptococcus pneumoniaeOtitis MediaPicornaviridae InfectionsDrug UtilizationPneumonia, ViralPharyngitisRhinovirusTonsillitisInfant, NewbornRespiratory Syncytial Virus, HumanReproductive Tract InfectionsCoughHaemophilus InfectionsPneumonia, BacterialPhysician's Practice PatternsBocavirusNeisseriaceae InfectionsAmoxicillin-Potassium Clavulanate CombinationAnti-Infective AgentsParvovirinaeSeasonsProspective StudiesParvoviridae InfectionsAnti-Infective Agents, UrinaryUrinary TractDiagnostic Test ApprovalLungSinusitisMycoplasma pneumoniaeMacrolidesMicrobial Sensitivity TestsVirusesDrug PrescriptionsRespiratory SoundsRespiratory Tract NeoplasmsBacteriuriaVesico-Ureteral RefluxBronchopneumoniaNasal MucosaMoraxellaceae InfectionsUrinary CatheterizationSputumPneumococcal InfectionsPneumonia, MycoplasmaDrug Resistance, BacterialEscherichia coli InfectionsBodily SecretionsBronchiolitis, ViralFluoroquinolonesHospitalizationPyelonephritisAzithromycinChlamydophila pneumoniaeTracheaBordetella InfectionsUrineRespirovirus InfectionsDrug Resistance, MicrobialFamily PracticeNoseKetolidesIgG DeficiencyPneumonia, PneumococcalAerosolsCystitisProteus InfectionsInappropriate PrescribingPharynxFeverInfluenza, HumanCoronavirusGuaifenesinPolymerase Chain ReactionGram-Negative Bacterial InfectionsBordetella bronchisepticaUropathogenic Escherichia coliTrimethoprim-Sulfamethoxazole CombinationRetrospective StudiesDysgammaglobulinemia