PneumoniaPneumonia, BacterialPneumonia, ViralPneumonia, PneumococcalCryptogenic Organizing PneumoniaPneumonia, PneumocystisPneumonia, StaphylococcalInfectionCommunity-Acquired InfectionsAnti-Bacterial AgentsPneumonia, Ventilator-AssociatedSepsisPneumonia, AspirationBacterial InfectionsImmunocompromised HostPneumonia, MycoplasmaOff-Label UseBacteremiaPneumonia, LipidTachypneaBurkholderia gladioliOpportunistic InfectionsDisarticulationStreptococcus pneumoniaeLungCross InfectionLung Diseases, InterstitialPseudomonas InfectionsInfant, Newborn, DiseasesSeverity of Illness IndexStaphylococcal InfectionsGram-Negative Bacterial InfectionsIgG DeficiencyStreptococcal InfectionsNeutropeniaShock, SepticGram-Positive Bacterial InfectionsRetrospective StudiesProspective StudiesFatal OutcomeTreatment OutcomeIntensive Care UnitsHospitalizationIdiopathic Interstitial PneumoniasFeverVirulence FactorsRisk FactorsInfant, NewbornMethicillin-Resistant Staphylococcus aureusMicrobial Sensitivity TestsStreptococcus pyogenesCritical IllnessDrug Therapy, CombinationCalcitoninMannose-Binding LectinAcinetobacter baumanniiInfluenza, HumanMelioidosisHematologic NeoplasmsAgammaglobulinemiaImmunologic Deficiency SyndromesMurine pneumonia virusGram-Positive BacteriaMycosesStaphylococcus aureusPneumocystis jiroveciiBiological ProductsPseudomonas aeruginosaDisease SusceptibilityVirulenceInfluenza A Virus, H1N1 SubtypeOsteomyelitisPneumocystisIncidenceNeutrophilsGentamicinsLegionnaires' DiseaseBronchoalveolar Lavage FluidExotoxinsRadiography, ThoracicMycoplasma pneumoniaeDisease Models, AnimalAcute DiseaseImmunoglobulin GTime FactorsDrug Resistance, BacterialDrug Resistance, Multiple, BacterialPulmonary EosinophiliaTrimethoprim-Sulfamethoxazole CombinationAntibodies, Monoclonal, Murine-DerivedBronchopneumoniaSerotypingSplenectomyPhagocytosisPneumonia, Progressive Interstitial, of SheepBacterial ProteinsCytokinesAntirheumatic AgentsVentilators, MechanicalDrug Administration Schedule