PneumocystisPneumocystis cariniiPneumonia, PneumocystisPneumocystis InfectionsPneumocystis jiroveciiPneumoniaPneumonia, BacterialTrimethoprim-Sulfamethoxazole CombinationPentamidinePneumonia, ViralPneumonia, PneumococcalAIDS-Related Opportunistic InfectionsDapsoneLungSulfamethoxazoleBronchoalveolar Lavage FluidCryptogenic Organizing PneumoniaOpportunistic InfectionsImmunocompromised Hostbeta-GlucansAntibodies, FungalAtovaquoneTrimethoprimPneumonia, StaphylococcalDihydropteroate SynthaseDNA, FungalAnti-Infective AgentsPneumonia, Ventilator-AssociatedPneumonia, AspirationAcquired Immunodeficiency SyndromeNaphthoquinonesCommunity-Acquired InfectionsPneumonia, MycoplasmaBronchoalveolar LavageLung Diseases, InterstitialMethenamineAntigens, FungalMacrophages, AlveolarImmunocompetenceImmunosuppressionSputumAntifungal AgentsMice, SCIDPolymerase Chain Reaction