PneumoniaPneumonia, BacterialPneumonia, ViralPneumonia, PneumococcalCryptogenic Organizing PneumoniaPneumonia, PneumocystisPneumonia, StaphylococcalEnzootic Bovine LeukosisPneumonia, Ventilator-AssociatedEncephalitis Virus, Venezuelan EquinePneumonia, AspirationEncephalomyelitis, Venezuelan EquineCattleCommunity-Acquired InfectionsPneumonia, MycoplasmaMycoplasma hyopneumoniaeSwaybackPneumonia, LipidPneumonia of Swine, MycoplasmalPneumonia of Calves, EnzooticDisease ReservoirsZoonosesLung Diseases, InterstitialBetaretrovirusIxodesLungJaagsiekte sheep retrovirusRodent DiseasesSheep DiseasesPlagueCulexLeukemia Virus, BovineCulicidaeCattle DiseasesSigmodontinaeMycoplasma InfectionsChlamydophilaHorse DiseasesIdiopathic Interstitial PneumoniasInsect VectorsMephitidaeSwine DiseasesArthropod VectorsAbortion, VeterinaryAspartate Ammonia-LyaseAnti-Bacterial AgentsPulmonary Adenomatosis, OvineStreptococcus pneumoniaeTicksEncephalomyelitis, Enzootic PorcineDisease VectorsEncephalitis Virus, Eastern EquineRodentiaMycoplasmaHorsesMurine pneumonia virusDisease OutbreaksVenezuelaArachnid VectorsPneumocystis jiroveciiGoat DiseasesPneumocystisEncephalomyelitis, Eastern EquineRaccoonsBronchoalveolar Lavage FluidLyme DiseaseLegionnaires' DiseaseRabiesRadiography, ThoracicSiphonapteraNymphMycoplasma pneumoniaeGoatsCross InfectionNose NeoplasmsYersinia pestisEncephalomyelitis, EquineBronchopneumoniaAnimals, WildPhylogenyPiroplasmidaPasteurellosis, PneumonicSheepSwineBirdsPulmonary EosinophiliaFoxesTrimethoprim-Sulfamethoxazole CombinationWest Nile virusHerpestidaeSeasonsHospitalizationWest Nile FeverAlphavirusCommunicable Diseases, EmergingPneumonia, Progressive Interstitial, of SheepCimicidaeAntibodies, BacterialTime FactorsBronchoalveolar Lavage