Coronavirus OC43, HumanCoronavirus, FelineFeline Infectious PeritonitisCoronavirus InfectionsCoronavirusSpike Glycoprotein, CoronavirusCoronaviridaeCoronavirus, BovineCatsCoronavirus, CanineFeline PanleukopeniaCat DiseasesAnimals, ZooCoronavirus 229E, HumanNucleocapsid ProteinsSARS VirusLeukemia Virus, FelineRespiratory Tract InfectionsImmunodeficiency Virus, FelineSevere Acute Respiratory SyndromeCoronaviridae InfectionsFeline Acquired Immunodeficiency SyndromeMurine hepatitis virusMolecular Sequence DataCalicivirus, FelineTransmissible gastroenteritis virusInfectious bronchitis virus