PneumoniaAdhesins, BacterialAdhesins, Escherichia coliPneumonia, BacterialPneumonia, ViralPneumonia, PneumococcalCryptogenic Organizing PneumoniaPneumonia, PneumocystisBacterial AdhesionPneumonia, StaphylococcalPneumonia, Ventilator-AssociatedPneumonia, AspirationCommunity-Acquired InfectionsPneumonia, MycoplasmaFimbriae, BacterialPneumonia, LipidLung Diseases, InterstitialHemagglutininsFimbriae ProteinsLungStreptococcus pneumoniaeBacterial ProteinsHemagglutinationIdiopathic Interstitial PneumoniasAnti-Bacterial AgentsVirulence FactorsEscherichia coliEscherichia coli InfectionsBacterial Outer Membrane ProteinsVirulenceMurine pneumonia virusPneumocystis jiroveciiAntigens, CD55PneumocystisAdhesivenessLegionnaires' DiseaseBronchoalveolar Lavage FluidBiofilmsMolecular Sequence DataRadiography, ThoracicMycoplasma pneumoniaeCross InfectionUrinary Tract InfectionsMannosidesPulmonary EosinophiliaHemagglutination TestsTrimethoprim-Sulfamethoxazole CombinationBronchopneumoniaPyelonephritisHospitalizationAntigens, BacterialPneumonia, Progressive Interstitial, of SheepStaphylococcus aureusStreptococcus gordoniiHaemophilus influenzaeGenes, BacterialVentilators, MechanicalBronchoalveolar LavageRespiration, ArtificialIntensive Care UnitsKlebsiella pneumoniaeRetrospective StudiesPseudomonas aeruginosaEpithelial CellsAntibodies, BacterialMannoseProspective StudiesGlobosidesDNA, BacterialYersinia pseudotuberculosis InfectionsGene Expression Regulation, BacterialAmino Acid SequenceFatal OutcomePneumonia of Swine, MycoplasmalPseudomonas InfectionsPneumococcal VaccinesCell Adhesion MoleculesTreatment OutcomeEscherichia coli ProteinsAnti-Infective AgentsCandida albicansAgglutinationPneumocystis cariniiEmpyemaGlycoconjugatesFibronectinsStreptococcusEnteropathogenic Escherichia coliPorphyromonas gingivalisTrichomonas vaginalisFlocculationLegionella pneumophilaSeverity of Illness IndexDiarrheaInfluenza, HumanRisk FactorsHost-Pathogen InteractionsLegionellaXylellaPneumococcal Infections