Pneumocystis jiroveciiPneumonia, PneumocystisPneumocystisPneumocystis InfectionsTrimethoprim-Sulfamethoxazole Combinationbeta-GlucansAIDS-Related Opportunistic InfectionsAnti-Infective AgentsPneumoniaHIV InfectionsDihydropteroate SynthasePneumonia, BacterialPneumocystis cariniiAntibodies, FungalImmunocompromised HostPneumonia, ViralDNA, FungalPneumonia, PneumococcalBronchoalveolar Lavage FluidCryptogenic Organizing PneumoniaMicrobiological TechniquesPentamidine