PneumoniaPneumonia, BacterialAnti-Bacterial AgentsPneumonia, PneumococcalPneumonia, ViralCryptogenic Organizing PneumoniaPneumonia, PneumocystisPneumonia, StaphylococcalCommunity-Acquired InfectionsPneumonia, Ventilator-AssociatedAntibiotic ProphylaxisBacterial InfectionsMicrobial Sensitivity TestsPneumonia, AspirationOsteomyelitisBacteremiaPneumonia, MycoplasmaDrug Resistance, BacterialDrug Resistance, MicrobialCross InfectionTreatment OutcomeAnti-Infective AgentsGram-Negative Bacterial InfectionsSepsisPenicillinsBacteriaAminoglycosidesStaphylococcal InfectionsAbscessGentamicinsPneumonia, LipidPseudomonas InfectionsGram-Negative BacteriaCiprofloxacinStaphylococcus aureusDrug Therapy, CombinationRetrospective StudiesProsthesis-Related InfectionsDebridementStreptococcus pneumoniaeProspective StudiesHome Infusion TherapyPseudomonas aeruginosaDrug UtilizationCeftriaxoneSurgical Wound InfectionFeverbeta-LactamsClindamycinCefazolinIntensive Care UnitsCephalosporinsEndocarditis, BacterialVancomycinLung Diseases, InterstitialStreptomycesTrimethoprim-Sulfamethoxazole CombinationAmpicillinLungDrug Resistance, Multiple, BacterialMacrolidesCalcitoninAntibiotics, AntineoplasticGram-Positive BacteriaSuppurationTobramycinAmikacinGram-Positive Bacterial InfectionsAmoxicillinAcute DiseaseCellulitisTime FactorsTetracyclineArthritis, InfectiousAneurysm, InfectedStreptococcal InfectionsDoxycyclineAzithromycinErythromycinHospitalizationRespiratory Tract InfectionsEscherichia coliBrain AbscessPenicillin GUrinary Tract InfectionsColony Count, MicrobialMethicillin-Resistant Staphylococcus aureusDNA, BacterialStreptomycinOxytetracyclineIdiopathic Interstitial PneumoniasBacterial ProteinsThienamycinsMeningitis, BacterialRisk FactorsInfant, NewbornBronchopneumoniaActinomycosisBronchoalveolar Lavage FluidCystic Fibrosis