PneumocystisPneumonia, PneumocystisPneumocystis InfectionsPneumocystis jiroveciiPneumoniaLungPneumonia, BacterialPneumonia, ViralPneumonia, PneumococcalTrimethoprim-Sulfamethoxazole CombinationCryptogenic Organizing PneumoniaPentamidineLung DiseasesPneumonia, StaphylococcalBronchoalveolar Lavage FluidAIDS-Related Opportunistic InfectionsLung NeoplasmsPneumonia, Ventilator-AssociatedDapsonePneumonia, AspirationLung Diseases, InterstitialImmunocompromised HostOpportunistic InfectionsSulfamethoxazolePneumonia, MycoplasmaCommunity-Acquired Infectionsbeta-GlucansLung InjuryAntibodies, FungalAtovaquoneAnti-Infective AgentsPneumonia, LipidTrimethoprimCarcinoma, Non-Small-Cell LungDihydropteroate SynthaseLung TransplantationDNA, FungalBronchoalveolar LavagePulmonary AlveoliMacrophages, AlveolarAcute Lung InjuryAcquired Immunodeficiency SyndromeSputumRadiography, ThoracicNaphthoquinonesAnti-Bacterial AgentsBronchoscopyImmunocompetenceImmunosuppressionMethenamineAntigens, FungalMice, SCIDFatal OutcomeIdiopathic Interstitial PneumoniasAntifungal AgentsPolymerase Chain ReactionRetrospective StudiesRespiration, ArtificialPulmonary FibrosisStreptococcus pneumoniaeLung Volume MeasurementsAmidinesProspective StudiesAerosolsHIV InfectionsTreatment OutcomeMurine pneumonia virusLung Diseases, FungalFungal ProteinsMolecular Sequence DataMice, Inbred C57BLMice, Inbred BALB CLung AbscessCross InfectionLegionnaires' DiseaseRisk FactorsSensitivity and SpecificityPulmonary SurfactantsSulfamethoxypyridazineAdrenal Cortex HormonesPulmonary EosinophiliaMycoplasma pneumoniaeCortisoneBronchopneumoniaPulmonary Surfactant-Associated Protein AHospitalizationFolic Acid AntagonistsTomography, X-Ray ComputedDisease Models, AnimalVentilators, MechanicalTrimetrexatePneumocystis cariniiAutopsyTotal Lung CapacityMediastinal EmphysemaBase SequenceIncidencePulmonary Surfactant-Associated Protein DAntibiotic ProphylaxisChemokine CXCL2