Severe Acute Respiratory SyndromeSARS VirusLegionellaPorcine Reproductive and Respiratory SyndromeSpike Glycoprotein, CoronavirusLegionella pneumophilaCoronavirusPorcine respiratory and reproductive syndrome virusCommunicable Diseases, EmergingNucleocapsid ProteinsViverridaeCoronavirus 229E, HumanCoronavirus InfectionsDisease OutbreaksQuarantineHong KongVero CellsViral Envelope ProteinsSyndromeInfectious Disease Transmission, Patient-to-ProfessionalLegionnaires' DiseaseCercopithecus aethiopsAntibodies, ViralPatient IsolationLegionellosisViral VaccinesMembrane GlycoproteinsInfection ControlCoronavirus OC43, HumanSingaporeMolecular Sequence DataPeptidyl-Dipeptidase AViral ProteinsContact TracingChest PainLungNucleocapsidPorcine Respiratory CoronavirusViral Nonstructural ProteinsNeutralization TestsReceptors, VirusRNA ReplicaseVirus ReplicationChinaVirus InternalizationTaiwanSwineChiropteraAmino Acid SequenceCell LineRNA, ViralChronology as TopicViral Matrix ProteinsArterivirusPersonnel, HospitalMurine hepatitis virusPolyproteinsZoonosesCysteine EndopeptidasesRadiography, ThoracicGenome, ViralAntiviral AgentsCoronavirus NL63, HumanRaccoon DogsProtein Structure, TertiaryTravelArteriviridaeEpitope MappingReverse Transcriptase Polymerase Chain ReactionCommunicable Disease ControlAntigens, ViralCross InfectionEnzyme-Linked Immunosorbent AssayCinanserinOpen Reading FramesDisease Transmission, InfectiousSensitivity and SpecificityOntarioMasksMice, Inbred BALB CVentilationPneumonia, ViralPhylogenyBase SequencePancreatitisAntibodies, NeutralizingTime FactorsOlfactory Nerve DiseasesCarboxypeptidasesWater MicrobiologyDisease ReservoirsConvalescenceModels, MolecularViral Structural ProteinsChillsArterivirus InfectionsVirus AttachmentVirosomesInfection Control PractitionersWorld Health