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 ProteinsInfectious Disease Transmission, Patient-to-ProfessionalSyndromeLegionnaires' DiseaseOxygenCercopithecus aethiopsAntibodies, ViralPatient IsolationLegionellosisViral VaccinesMembrane GlycoproteinsInfection ControlCoronavirus OC43, HumanSingaporeMolecular Sequence DataPeptidyl-Dipeptidase AViral ProteinsContact TracingChest PainNucleocapsidPorcine Respiratory CoronavirusLungViral Nonstructural ProteinsNeutralization TestsReceptors, VirusRNA ReplicaseVirus ReplicationChinaVirus InternalizationTaiwanSwineAmino Acid SequenceChiropteraCell LineChronology as TopicRNA, ViralViral Matrix ProteinsArterivirusPersonnel, HospitalMurine hepatitis virusPolyproteinsCysteine EndopeptidasesZoonosesGenome, ViralRadiography, ThoracicCoronavirus NL63, HumanAntiviral AgentsProtein Structure, TertiaryRaccoon DogsTravelArteriviridaeEpitope MappingReverse Transcriptase Polymerase Chain ReactionCommunicable Disease ControlCross InfectionAntigens, ViralOpen Reading FramesCinanserinDisease Transmission, InfectiousEnzyme-Linked Immunosorbent AssaySensitivity and SpecificityOntarioMasksOxygen ConsumptionVentilationPhylogenyTime FactorsBase SequenceAntibodies, NeutralizingMice, Inbred BALB CWater MicrobiologyOlfactory Nerve DiseasesCarboxypeptidasesPancreatitisPneumonia, ViralReactive Oxygen SpeciesModels, MolecularDisease ReservoirsConvalescenceViral Structural ProteinsChillsArterivirus InfectionsVirus Attachment