PneumoniaPneumonia, BacterialPneumonia, ViralPneumonia, PneumococcalSkinCryptogenic Organizing PneumoniaPneumonia, PneumocystisPneumonia, StaphylococcalPneumonia, Ventilator-AssociatedPneumonia, AspirationSkin AgingSkin DiseasesSkin NeoplasmsCommunity-Acquired InfectionsPneumonia, MycoplasmaPneumonia, LipidLung Diseases, InterstitialSkin Physiological PhenomenaSkin TestsSkin AbsorptionLungSkin PigmentationIdiopathic Interstitial PneumoniasAnti-Bacterial AgentsStreptococcus pneumoniaeMurine pneumonia virusPneumocystis jiroveciiSkin, ArtificialPneumocystisBronchoalveolar Lavage FluidLegionnaires' DiseaseRadiography, ThoracicCross InfectionMycoplasma pneumoniaeTrimethoprim-Sulfamethoxazole CombinationPulmonary EosinophiliaSkin Diseases, BacterialBronchopneumoniaHospitalizationPneumonia, Progressive Interstitial, of SheepRetrospective StudiesProspective StudiesBronchoalveolar LavageVentilators, MechanicalRespiration, ArtificialSkin UlcerIntensive Care UnitsTreatment OutcomeFatal OutcomeEpidermisAnti-Infective AgentsPseudomonas InfectionsPneumonia of Swine, MycoplasmalSeverity of Illness IndexRisk FactorsPneumococcal VaccinesEmpyemaPneumocystis cariniiImmunocompromised HostLegionella pneumophilaTime FactorsStaphylococcal Skin InfectionsInfluenza, HumanSkin AbnormalitiesBacteremiaLegionellaPneumococcal InfectionsChild, HospitalizedIncidenceAIDS-Related Opportunistic InfectionsBronchoscopyPentamidineChlamydial PneumoniaRespiratory Tract InfectionsPasteurellosis, PneumonicPulmonary FibrosisSputumDisease Models, AnimalSkin Diseases, ViralBiopsyKlebsiella InfectionsAcute DiseaseDermatitisInfant, NewbornPseudomonas aeruginosaOpportunistic InfectionsKlebsiella pneumoniaeDermatologic Surgical ProceduresLung DiseasesHaemophilus InfectionsSkin CreamTomography, X-Ray ComputedSkin Physiological ProcessesSensitivity and SpecificityPneumovirus InfectionsMice, HairlessPneumocystis InfectionsCohort StudiesMice, Inbred C57BLLung Abscess