Lung Diseases, FungalLung DiseasesPneumonia, BacterialLungMycobacterium Infections, NontuberculousPseudomonas InfectionsBronchopneumoniaNocardia InfectionsCryptococcosisPneumoniaLung Diseases, ParasiticMycobacterium InfectionsPseudomonas aeruginosaNontuberculous MycobacteriaTuberculosis, PulmonaryCystic FibrosisRespiratory Tract InfectionsCryptococcus neoformansBlastomycosisLung AbscessBronchoalveolar Lavage FluidPneumonia, ViralMycobacterium xenopiMacrophages, AlveolarBurkholderia InfectionsNocardia asteroidesActinomycetales InfectionsTularemiaMycobacterium kansasiiPneumonia, PneumococcalBronchoscopyPneumonia, StaphylococcalKlebsiella InfectionsOpportunistic InfectionsPneumonia, PneumocystisAnti-Bacterial AgentsSputumNocardiaImmunocompromised HostBurkholderia cepaciaMycobacteriumDisease Models, AnimalBlastomycesCoccidioidomycosisPneumonia, Ventilator-AssociatedMice, Inbred C57BLFatal OutcomeVentilators, MechanicalTobramycinParacoccidioidomycosisMycobacterium avium-intracellulare InfectionBronchiectasisMice, Inbred BALB CRhodococcus equiColony Count, MicrobialRadiography, ThoracicKlebsiella pneumoniaeBronchoalveolar LavageFungal VaccinesFrancisellaBurkholderia cepacia complexFrancisella tularensisCytokinesMucormycosisHistoplasmosisImmunocompetenceTrichosporonStreptococcus constellatusMice, KnockoutEthambutolFocal InfectionPseudomonas VaccinesAlginatesVirulenceImmunity, InnateSpecific Pathogen-Free OrganismsAntifungal AgentsInvasive Pulmonary AspergillosisAerosolsAspergillosisNeutrophil InfiltrationEmpyemaIntubation, IntratrachealNeutrophilsAIDS-Related Opportunistic InfectionsRespiration, ArtificialAntibodies, FungalStenotrophomonas maltophiliaAspergillus fumigatusParacoccidioidesGalliumBacterial InfectionsRespiratory InsufficiencyTomography, X-Ray ComputedMycobacterium aviumVirulence FactorsGram-Negative Bacterial InfectionsMycobacterium tuberculosisDisease SusceptibilityHaemophilus Infections