Lung Diseases, InterstitialDermatomyositisPneumonia, Progressive Interstitial, of SheepSheepFibrosisPneumoniaDisease ProgressionPneumonia, BacterialPneumonia, ViralSheep DiseasesPneumonia, PneumococcalCryptogenic Organizing PneumoniaPneumonia, PneumocystisSheep, DomesticPneumonia, StaphylococcalPneumonia, Ventilator-AssociatedCystitis, InterstitialPneumonia, AspirationInterstitial Cells of CajalPneumonia, MycoplasmaCommunity-Acquired InfectionsIdiopathic Interstitial PneumoniasLungPneumonia, LipidExtracellular FluidPulmonary FibrosisBronchoalveolar Lavage FluidExtracellular SpaceTime FactorsSheep, BighornRadiography, ThoracicDisease Models, AnimalAnti-Bacterial AgentsKidneyFatal OutcomeStreptococcus pneumoniaeSupranuclear Palsy, ProgressiveIdiopathic Pulmonary FibrosisPneumocystis jiroveciiRetrospective StudiesTreatment OutcomeBiopsyMurine pneumonia virusBronchoalveolar LavagePneumocystisImmunohistochemistryTomography, X-Ray ComputedLegionnaires' DiseaseGoatsPulmonary EosinophiliaAphasia, Primary ProgressiveKidney TubulesMicrodialysisMycoplasma pneumoniaeCross InfectionSeverity of Illness IndexProspective StudiesPulmonary AlveoliBronchopneumoniaLung DiseasesTrimethoprim-Sulfamethoxazole CombinationJaagsiekte sheep retrovirusRespiration, ArtificialUreteral ObstructionAcute DiseaseHospitalizationMice, Inbred C57BLVentilators, MechanicalMultiple Sclerosis, Chronic ProgressiveRisk Factors