PenicillinsPenicillin GPneumoniaPenicillin VPenicillin ResistancePneumonia, BacterialPenicillin G ProcainePneumonia, PneumococcalPneumonia, ViralPenicillin AmidasePenicillin G BenzathineCryptogenic Organizing PneumoniaPneumonia, PneumocystisPneumonia, StaphylococcalAnti-Bacterial AgentsStreptococcus pneumoniaePneumonia, Ventilator-AssociatedPneumonia, AspirationCommunity-Acquired InfectionsMicrobial Sensitivity TestsPneumonia, MycoplasmaPenicillin-Binding ProteinsPenicillinasePneumonia, LipidPneumococcal InfectionsMuramoylpentapeptide CarboxypeptidaseAmpicillinCephalosporinsStreptococcal InfectionsPeptidyl TransferasesHexosyltransferasesLung Diseases, InterstitialNeisseria gonorrhoeaeCeftriaxoneLungErythromycinDrug Hypersensitivitybeta-LactamsCloxacillinDrug Resistance, MicrobialCefotaximeIdiopathic Interstitial PneumoniasGonorrheaAcremoniumDrug Resistance, BacterialStreptococcusAnti-Infective AgentsTrimethoprim-Sulfamethoxazole CombinationCross InfectionPharyngitisCephaloridinebeta-LactamasesMurine pneumonia virusSpectinomycinPneumocystis jiroveciiBacterial ProteinsAmoxicillinGentamicinsPneumocystisSerotypingCarbenicillinPneumococcal VaccinesLactamsMacrolidesLegionnaires' DiseasePenicilliumBronchoalveolar Lavage FluidCephalothinOxacillinStaphylococcus aureusRadiography, ThoracicClindamycinMycoplasma pneumoniaePenicillanic AcidTetracyclineEndocarditis, BacterialStaphylococcusBacteriaEmpyemaBacteremiaRespiratory Tract InfectionsTonsillitisNeurosyphilisPeptidoglycanNasopharynxProteusRetrospective StudiesProspective StudiesMeningitis, PneumococcalPulmonary EosinophiliaHospitalizationCefuroximeStreptomycinProbenecidCulture MediaTreatment OutcomeBronchopneumoniaSyphilisChloramphenicolMethicillin