Respiratory Tract InfectionsUrinary Tract InfectionsLungAnti-Bacterial AgentsRespiratory SystemParamyxoviridae InfectionsMetapneumovirusRespiratory Syncytial Virus InfectionsNasopharynxHuman bocavirusRespiratory Syncytial VirusesMoraxella (Branhamella) catarrhalisAcute DiseaseCommon ColdVirus DiseasesBronchitisLung DiseasesRespiratory Tract DiseasesCommunity-Acquired InfectionsBacterial InfectionsPneumoniaHaemophilus influenzaeBronchiolitisStreptococcus pneumoniaePneumonia, ViralPicornaviridae InfectionsOtitis MediaDrug UtilizationPharyngitisRhinovirusTonsillitisInfant, NewbornPneumonia, BacterialRespiratory Syncytial Virus, HumanReproductive Tract InfectionsHaemophilus InfectionsCoughPhysician's Practice PatternsLung NeoplasmsProspective StudiesBocavirusNeisseriaceae InfectionsAnti-Infective AgentsAmoxicillin-Potassium Clavulanate CombinationParvovirinaeSeasonsParvoviridae InfectionsAnti-Infective Agents, UrinaryUrinary TractMycoplasma pneumoniaeSinusitisDiagnostic Test ApprovalMacrolidesMicrobial Sensitivity TestsRespiratory SoundsVirusesRespiratory Tract NeoplasmsBronchopneumoniaDrug PrescriptionsSputumBacteriuriaNasal MucosaVesico-Ureteral RefluxMoraxellaceae InfectionsPneumococcal InfectionsUrinary CatheterizationPneumonia, MycoplasmaDrug Resistance, BacterialEscherichia coli InfectionsBronchiolitis, ViralBodily SecretionsFluoroquinolonesHospitalizationPyelonephritisLung InjuryAzithromycinChlamydophila pneumoniaeBronchoalveolar Lavage FluidBordetella InfectionsTracheaRespirovirus InfectionsUrineDrug Resistance, MicrobialPneumonia, PneumococcalNoseFamily PracticeKetolidesRetrospective StudiesIgG DeficiencyLung TransplantationCarcinoma, Non-Small-Cell LungAsthmaPharynxCystitisProteus InfectionsRisk FactorsFeverInappropriate PrescribingCoronavirusIncidence